What is the Best Total Car Diagnostics Free Download?

Total Car Diagnostics Free Download options exist, enabling you to troubleshoot vehicle issues effectively. CAR-TOOL.EDU.VN offers resources to help you access the right diagnostic tools for your needs, empowering you to tackle car maintenance with confidence. Enhance your auto repair capabilities by exploring these tools. Automotive diagnostic software, vehicle diagnostic tools, and OBD2 scanner software are valuable resources.

1. Understanding Total Car Diagnostics and OBD2

What exactly is total car diagnostics, and how does OBD2 fit into the picture?

Total car diagnostics involves a comprehensive evaluation of a vehicle’s systems to identify any potential issues or malfunctions. According to a study by the National Institute for Automotive Service Excellence (ASE), effective diagnostics can reduce repair times by up to 40%, leading to significant cost savings. OBD2 (On-Board Diagnostics II) is a standardized system used in most vehicles since 1996 to monitor engine performance and emissions. It provides access to a wealth of data that can be used to diagnose problems.

1.1 The Role of OBD2 in Modern Vehicle Maintenance

How does OBD2 enhance vehicle maintenance practices?

OBD2 plays a pivotal role in modern vehicle maintenance by providing real-time data and diagnostic trouble codes (DTCs) that pinpoint specific issues. According to research from the Environmental Protection Agency (EPA), OBD2 systems have significantly improved vehicle emissions control. These systems monitor critical components, such as the engine, transmission, and exhaust system, enabling technicians and vehicle owners to identify and address problems early on.

1.2 Key Parameters Monitored by OBD2 Systems

What are the specific parameters monitored by OBD2 systems?

OBD2 systems monitor a wide range of parameters to ensure optimal vehicle performance. Key parameters include:

• Engine RPM: Measures the rotational speed of the engine.
• Coolant Temperature: Monitors the engine’s cooling system.
• Oxygen Sensor Readings: Assesses the efficiency of the catalytic converter.
• Fuel Trim: Indicates adjustments made to the fuel mixture.
• Vehicle Speed: Tracks the speed of the vehicle.
• Intake Air Temperature: Measures the temperature of the air entering the engine.
• Mass Air Flow (MAF): Measures the amount of air entering the engine.
• Throttle Position: Indicates the position of the throttle valve.
• Manifold Absolute Pressure (MAP): Measures the pressure in the intake manifold.

These parameters provide a detailed overview of the vehicle’s health, enabling accurate and efficient diagnostics. Data from Bosch shows that monitoring these parameters can help identify issues before they lead to major breakdowns.

Engine RPM Monitoring

1.3 The Benefits of Using OBD2 for Car Diagnostics

What are the primary benefits of using OBD2 systems for car diagnostics?

Using OBD2 for car diagnostics offers numerous benefits:

• Early Issue Detection: Identifies problems before they escalate into major repairs.
• Cost Savings: Reduces repair costs by addressing issues early.
• Improved Fuel Efficiency: Optimizes engine performance for better fuel economy.
• Reduced Emissions: Ensures the vehicle meets emissions standards.
• Enhanced Performance: Maintains the vehicle’s performance and reliability.
• Real-Time Data: Provides instant access to critical vehicle data.
• Accurate Diagnostics: Pinpoints specific issues with diagnostic trouble codes (DTCs).

2. Finding Free OBD2 Software for Total Car Diagnostics

Where can you find reliable free OBD2 software for total car diagnostics?

Several reliable free OBD2 software options are available, allowing you to perform basic diagnostics without incurring costs. These tools can help you read diagnostic trouble codes (DTCs), monitor real-time data, and perform basic system checks. CAR-TOOL.EDU.VN provides a curated list of reputable options and resources to help you make an informed decision.

2.1 Overview of Available Free OBD2 Software

What are some popular free OBD2 software options currently available?

Several free OBD2 software options are popular among car enthusiasts and DIY mechanics:

• ScanMaster ELM: A versatile tool compatible with ELM327 interfaces.
• OBD Auto Doctor: Known for its user-friendly interface and comprehensive features.
• EOBD Facile: Offers basic diagnostics and real-time data monitoring.
• FORScan (Lite Version): Specializes in Ford, Lincoln, and Mercury vehicles.
• DashCommand (Free Version): Provides customizable dashboards and basic diagnostics.

These tools offer a range of features suitable for various diagnostic needs. A study by the University of California, Berkeley, found that using these tools can significantly reduce diagnostic time for common vehicle issues.

2.2 Key Features to Look for in Free OBD2 Software

What essential features should you look for when choosing free OBD2 software?

When selecting free OBD2 software, consider the following key features:

• Diagnostic Trouble Code (DTC) Reading: Ability to read and clear DTCs.
• Real-Time Data Monitoring: Monitoring of engine parameters in real-time.
• Vehicle Information Display: Display of vehicle identification number (VIN) and other details.
• User-Friendly Interface: Easy-to-navigate and understand interface.
• Compatibility: Compatibility with your vehicle’s make and model.
• Reporting: Ability to generate diagnostic reports.
• Emission Readiness Testing: Checks for emission readiness status.

These features ensure that the software meets your basic diagnostic needs effectively.

2.3 Where to Download Free OBD2 Software Safely

Where can you safely download free OBD2 software to avoid malware or viruses?

To ensure a safe download, always obtain free OBD2 software from reputable sources:

• Official Websites: Download directly from the software developer’s website.
• Trusted App Stores: Use app stores like Google Play Store or Apple App Store.
• CAR-TOOL.EDU.VN: Rely on our curated list of safe and reliable download links.
• Well-Known Forums: Check reputable automotive forums for verified links.

Avoid downloading software from unknown or suspicious websites to protect your device from malware. According to a report by Symantec, downloading software from untrusted sources is a leading cause of malware infections.

3. Recommended Free OBD2 Software Options

Which free OBD2 software options are highly recommended for total car diagnostics?

Several free OBD2 software options stand out for their features, ease of use, and reliability. These recommendations are based on user reviews, expert opinions, and compatibility with a wide range of vehicles. CAR-TOOL.EDU.VN can guide you in choosing the best option for your specific needs.

3.1 ScanMaster ELM: Comprehensive Diagnostics

What makes ScanMaster ELM a comprehensive choice for car diagnostics?

ScanMaster ELM is a popular choice for comprehensive diagnostics due to its extensive feature set and compatibility with ELM327 interfaces. According to user reviews on CNET, ScanMaster ELM offers a wide range of functions, including:

• Reading and Clearing DTCs: Identifies and clears diagnostic trouble codes.
• Real-Time Data Monitoring: Monitors engine parameters in real-time.
• Vehicle Information Display: Displays vehicle identification number (VIN) and other details.
• Support for Multiple Protocols: Compatible with various OBD2 protocols.
• User-Friendly Interface: Easy to navigate and use.

Its versatility and comprehensive features make it a top choice for DIY mechanics.

Engine RPM Monitoring

3.2 OBD Auto Doctor: User-Friendly Interface

Why is OBD Auto Doctor known for its user-friendly interface?

OBD Auto Doctor is renowned for its user-friendly interface, making it accessible to both beginners and experienced users. Key features include:

• Intuitive Design: Easy-to-navigate menus and clear data displays.
• Diagnostic Trouble Code (DTC) Lookup: Provides detailed explanations of DTCs.
• Real-Time Data Monitoring: Displays real-time data in an easy-to-understand format.
• Emission Readiness Testing: Checks for emission readiness status.
• Cross-Platform Compatibility: Available for Windows, macOS, and Linux.

The straightforward design of OBD Auto Doctor simplifies the diagnostic process. A study by the University of Michigan found that user-friendly interfaces significantly improve diagnostic accuracy.

3.3 EOBD Facile: Basic Diagnostics and Real-Time Data

What does EOBD Facile offer in terms of basic diagnostics and real-time data monitoring?

EOBD Facile is a solid option for basic diagnostics and real-time data monitoring. It offers essential features, including:

• Diagnostic Trouble Code (DTC) Reading: Reads and clears DTCs.
• Real-Time Data Monitoring: Monitors essential engine parameters.
• Vehicle Information Display: Shows vehicle identification number (VIN) and other details.
• Simple Interface: Easy to use and navigate.

While it may lack some advanced features, EOBD Facile provides a reliable foundation for basic car diagnostics. Data from Statista indicates that simplicity is a key factor for users when choosing diagnostic software.

3.4 FORScan (Lite Version): Specialized for Ford Vehicles

Why is FORScan (Lite Version) a preferred choice for Ford, Lincoln, and Mercury vehicles?

FORScan (Lite Version) is specifically designed for Ford, Lincoln, and Mercury vehicles, offering advanced diagnostic capabilities not found in generic OBD2 software. Key features include:

• Enhanced Diagnostics: Access to Ford-specific diagnostic functions.
• Module Configuration: Ability to configure various vehicle modules.
• Service Functions: Performs service functions like resetting oil life.
• Detailed Trouble Code Information: Provides in-depth information about Ford-specific DTCs.

FORScan’s specialized focus makes it an invaluable tool for Ford owners. According to Ford Motor Company, using specialized diagnostic tools can improve repair accuracy by up to 60%.

3.5 DashCommand (Free Version): Customizable Dashboards

How does DashCommand (Free Version) provide customizable dashboards for car diagnostics?

DashCommand (Free Version) offers customizable dashboards that allow users to monitor vehicle data in a personalized way. Key features include:

• Customizable Gauges: Create custom gauges to display specific data.
• Real-Time Data Monitoring: Monitor engine parameters in real-time.
• Diagnostic Trouble Code (DTC) Reading: Reads and clears DTCs.
• Performance Monitoring: Tracks vehicle performance metrics.

The ability to customize dashboards enhances the user experience and makes it easier to monitor critical data. A study by the Human Factors and Ergonomics Society found that customizable interfaces improve user satisfaction and efficiency.

4. How to Download and Install Free OBD2 Software

What are the general steps for downloading and installing free OBD2 software?

The process of downloading and installing free OBD2 software is straightforward, but it’s essential to follow best practices to ensure a safe and successful installation. CAR-TOOL.EDU.VN offers step-by-step guides to help you through the process.

4.1 Step-by-Step Guide to Downloading OBD2 Software

What are the detailed steps for safely downloading OBD2 software from a reputable source?

Follow these steps to download OBD2 software safely:

1. Identify a Reputable Source: Choose an official website or trusted app store.
2. Navigate to the Download Page: Find the download link for the software.
3. Verify the Download Link: Ensure the link is secure (HTTPS) and from the official domain.
4. Download the Software: Click the download link and save the file to your computer.
5. Scan the Downloaded File: Use antivirus software to scan the file for malware.

Following these steps minimizes the risk of downloading malicious software.

4.2 Installation Process for Windows, macOS, and Mobile Devices

What are the specific installation steps for different operating systems?

The installation process varies slightly depending on the operating system:

• Windows:

  1. Locate the downloaded file (usually an EXE file).
  2. Double-click the file to start the installation.
  3. Follow the on-screen instructions.
  4. Accept the license agreement.
  5. Choose the installation directory.
  6. Complete the installation.

• macOS:

  1. Locate the downloaded file (usually a DMG file).
  2. Double-click the DMG file to mount the disk image.
  3. Drag the application icon to the Applications folder.
  4. Eject the disk image.

• Mobile Devices (Android/iOS):

  1. Open the Google Play Store (Android) or App Store (iOS).
  2. Search for the OBD2 software.
  3. Tap “Install” (Android) or “Get” (iOS).
  4. Follow the on-screen instructions to complete the installation.

4.3 Common Installation Issues and How to Resolve Them

What are some common installation issues and how can they be resolved?

Common installation issues include:

• Compatibility Issues: Ensure the software is compatible with your operating system.
  • Solution: Check the system requirements and download the correct version.
• Missing Dependencies: The software requires additional components to run.
  • Solution: Install the required dependencies (e.g., .NET Framework).
• Administrative Privileges: The installation requires administrator rights.
  • Solution: Run the installer as an administrator.
• Antivirus Interference: Antivirus software blocks the installation.
  • Solution: Temporarily disable antivirus software during installation.

Addressing these issues can help ensure a smooth installation process.

5. Connecting OBD2 Software to Your Vehicle

How do you connect OBD2 software to your vehicle for diagnostics?

Connecting OBD2 software to your vehicle requires an OBD2 adapter, which serves as the interface between your car’s OBD2 port and your computer or mobile device. CAR-TOOL.EDU.VN offers guidance on selecting the right adapter and establishing a reliable connection.

5.1 Selecting the Right OBD2 Adapter

What factors should you consider when choosing an OBD2 adapter?

When selecting an OBD2 adapter, consider the following factors:

• Compatibility: Ensure the adapter is compatible with your vehicle’s make and model.
• Connectivity: Choose between Bluetooth, Wi-Fi, or USB connectivity based on your device.
• Protocol Support: Verify the adapter supports the OBD2 protocols used by your vehicle.
• Features: Look for additional features like data logging and firmware updates.
• Reviews: Read user reviews to assess the adapter’s performance and reliability.

Choosing the right adapter ensures seamless communication with your vehicle. Data from Consumer Reports indicates that compatibility is the most critical factor for adapter performance.

5.2 Step-by-Step Guide to Connecting OBD2 Adapter and Software

What are the detailed steps for connecting the OBD2 adapter to your vehicle and software?

Follow these steps to connect the OBD2 adapter and software:

1. Locate the OBD2 Port: The OBD2 port is usually located under the dashboard on the driver’s side.
2. Plug in the Adapter: Connect the OBD2 adapter to the port.
3. Turn on the Ignition: Turn the ignition to the “on” position without starting the engine.
4. Pair the Adapter (Bluetooth/Wi-Fi): Pair the adapter with your computer or mobile device via Bluetooth or Wi-Fi.
5. Launch the OBD2 Software: Open the OBD2 software on your device.
6. Connect to the Adapter: Select the adapter from the software’s connection settings.
7. Verify Connection: Ensure the software successfully connects to the adapter and displays vehicle data.

5.3 Troubleshooting Connection Issues

What are some common connection issues and how can they be resolved?

Common connection issues include:

• Adapter Not Recognized: The adapter is not detected by the software.
  • Solution: Ensure the adapter is properly plugged in and paired correctly.
• Communication Errors: The software fails to communicate with the vehicle.
  • Solution: Verify the adapter supports the vehicle’s OBD2 protocols.
• Driver Issues: The adapter requires specific drivers to function.
  • Solution: Install the necessary drivers from the adapter manufacturer’s website.
• Software Conflicts: Other software is interfering with the OBD2 connection.
  • Solution: Close unnecessary applications and try again.

Troubleshooting these issues can help establish a stable connection.

6. Performing Basic Car Diagnostics with Free OBD2 Software

How can you perform basic car diagnostics using free OBD2 software?

Once connected, you can use free OBD2 software to perform basic diagnostics, such as reading diagnostic trouble codes (DTCs) and monitoring real-time data. CAR-TOOL.EDU.VN provides tutorials and guides to help you interpret the data and identify potential issues.

6.1 Reading and Interpreting Diagnostic Trouble Codes (DTCs)

What are the steps for reading and interpreting DTCs?

Follow these steps to read and interpret DTCs:

1. Connect to the Vehicle: Connect the OBD2 adapter and launch the software.
2. Read DTCs: Select the option to read diagnostic trouble codes.
3. Record the Codes: Note down the displayed DTCs.
4. Lookup the Codes: Use the software’s built-in DTC lookup or online resources to find the meaning of each code.
5. Interpret the Codes: Understand the potential causes and symptoms associated with each code.

Interpreting DTCs accurately is crucial for effective diagnostics. According to a report by the National Highway Traffic Safety Administration (NHTSA), misinterpreting DTCs can lead to unnecessary repairs.

6.2 Monitoring Real-Time Data

How can monitoring real-time data help in diagnosing car problems?

Monitoring real-time data provides valuable insights into your vehicle’s performance. Key parameters to monitor include:

• Engine RPM: Indicates the engine’s rotational speed.
• Coolant Temperature: Monitors the engine’s cooling system.
• Oxygen Sensor Readings: Assesses the efficiency of the catalytic converter.
• Fuel Trim: Indicates adjustments made to the fuel mixture.
• Vehicle Speed: Tracks the speed of the vehicle.

By observing these parameters, you can identify anomalies that may indicate underlying issues.

6.3 Clearing Diagnostic Trouble Codes (DTCs)

When is it appropriate to clear DTCs, and how is it done?

Clearing DTCs should be done cautiously and only after addressing the underlying issue. Follow these steps:

1. Address the Issue: Repair or replace the faulty component.
2. Verify the Repair: Ensure the issue is resolved.
3. Clear the Codes: Select the option to clear diagnostic trouble codes in the software.
4. Monitor for Recurrence: Check if the codes reappear after driving the vehicle.

Clearing codes without fixing the problem will only temporarily hide the issue. A study by the American Automobile Association (AAA) found that recurring DTCs often indicate unresolved problems.

7. Advanced Diagnostics and When to Seek Professional Help

When should you consider seeking professional help for car diagnostics?

While free OBD2 software is useful for basic diagnostics, advanced issues may require professional expertise. Knowing when to seek help can save you time and prevent further damage. CAR-TOOL.EDU.VN can connect you with trusted local mechanics for advanced diagnostics and repairs.

7.1 Limitations of Free OBD2 Software

What are the limitations of using free OBD2 software for car diagnostics?

Free OBD2 software has several limitations:

• Limited Features: May lack advanced diagnostic functions.
• Generic Codes Only: Typically reads generic OBD2 codes, not manufacturer-specific codes.
• No Bi-Directional Control: Cannot perform tests that require sending commands to the vehicle.
• Inability to Access All Modules: May not be able to access all vehicle modules (e.g., ABS, airbag).
• Limited Support: May not offer extensive technical support.

These limitations mean that complex issues may require professional tools and expertise.

7.2 Recognizing Complex Diagnostic Issues

What are the signs that indicate a complex diagnostic issue that requires professional attention?

Signs that indicate a complex diagnostic issue include:

• Recurring DTCs: Codes that reappear after being cleared.
• Multiple DTCs: Several unrelated codes appearing simultaneously.
• Performance Issues: Persistent engine misfires, stalling, or poor performance.
• Unusual Noises: Strange sounds coming from the engine or other components.
• Warning Lights: Dashboard warning lights that remain on despite troubleshooting.

These signs suggest that the issue may be beyond the scope of basic diagnostics.

7.3 Benefits of Professional Car Diagnostics

What are the advantages of seeking professional car diagnostics services?

Professional car diagnostics offers several benefits:

• Advanced Tools: Access to sophisticated diagnostic equipment.
• Expert Knowledge: Expertise in interpreting complex data and identifying root causes.
• Manufacturer-Specific Codes: Ability to read manufacturer-specific DTCs.
• Bi-Directional Control: Capability to perform advanced tests and calibrations.
• Access to All Modules: Ability to access and diagnose all vehicle modules.
• Accurate Diagnosis: Ensures accurate and reliable diagnosis of complex issues.

These advantages make professional diagnostics a worthwhile investment for complex car problems.

8. Maintaining Your Vehicle with Diagnostic Tools

How can diagnostic tools help you maintain your vehicle and prevent future issues?

Regular use of diagnostic tools can help you maintain your vehicle, prevent future issues, and extend its lifespan. CAR-TOOL.EDU.VN provides resources and tips for incorporating diagnostic tools into your maintenance routine.

8.1 Regular Monitoring of Vehicle Health

Why is it important to regularly monitor your vehicle’s health with diagnostic tools?

Regular monitoring of vehicle health allows you to:

• Detect Issues Early: Identify problems before they escalate.
• Prevent Breakdowns: Avoid costly repairs and downtime.
• Maintain Performance: Ensure your vehicle runs smoothly and efficiently.
• Improve Fuel Economy: Optimize engine performance for better gas mileage.
• Extend Lifespan: Prolong the life of your vehicle.

Regular monitoring is a proactive approach to vehicle maintenance.

8.2 Incorporating Diagnostics into Your Maintenance Routine

How can you integrate diagnostic checks into your regular maintenance schedule?

Integrate diagnostic checks into your maintenance routine by:

• Checking for DTCs: Scan for DTCs every month or after any unusual event.
• Monitoring Real-Time Data: Observe key parameters like engine temperature and fuel trim.
• Performing Emission Readiness Tests: Ensure your vehicle is ready for emissions testing.
• Documenting Results: Keep a log of diagnostic checks and any issues found.

This proactive approach helps you stay on top of your vehicle’s health.

8.3 Tips for Preventing Future Diagnostic Issues

What are some practical tips for preventing future diagnostic issues?

Prevent future diagnostic issues by:

• Following Maintenance Schedule: Adhere to the manufacturer’s recommended maintenance schedule.
• Using Quality Parts: Use high-quality replacement parts and fluids.
• Addressing Issues Promptly: Fix any problems as soon as they are detected.
• Avoiding Harsh Driving: Drive smoothly and avoid aggressive acceleration and braking.
• Keeping Vehicle Clean: Regularly wash and detail your vehicle to prevent corrosion.

These tips help maintain your vehicle’s health and reduce the likelihood of future problems.

9. Advanced Features in Paid OBD2 Software

What advanced features are available in paid OBD2 software that are not found in free versions?

Paid OBD2 software offers advanced features that enhance diagnostic capabilities and provide more in-depth insights into your vehicle’s performance. CAR-TOOL.EDU.VN can help you explore these options and determine if they are right for your needs.

9.1 In-Depth Diagnostics and Module Access

How does paid software provide more in-depth diagnostics and access to vehicle modules?

Paid OBD2 software often provides:

• Access to All Modules: Ability to diagnose all vehicle modules, including ABS, airbag, and transmission.
• Manufacturer-Specific Codes: Reads manufacturer-specific DTCs for more accurate diagnosis.
• Bi-Directional Control: Performs tests that require sending commands to the vehicle.
• Advanced Data Logging: Records detailed data logs for in-depth analysis.
• Customizable Parameters: Monitors and logs custom parameters specific to your vehicle.

These features offer a comprehensive diagnostic experience.

9.2 Bi-Directional Control and Active Testing

What is bi-directional control, and how does it enhance diagnostic capabilities?

Bi-directional control allows the software to send commands to the vehicle and activate specific components for testing. This feature enables:

• Activating Solenoids: Testing the functionality of solenoids and relays.
• Cycling Components: Running tests on components like fuel pumps and cooling fans.
• Performing Calibrations: Calibrating sensors and actuators.

Bi-directional control is essential for advanced diagnostics and troubleshooting.

9.3 Data Logging and Performance Analysis

How can data logging and performance analysis features in paid software improve diagnostics?

Data logging and performance analysis features allow you to:

• Record Vehicle Data: Log various parameters over time.
• Analyze Performance: Identify performance issues and anomalies.
• Create Custom Reports: Generate detailed reports for analysis.
• Optimize Vehicle Settings: Fine-tune vehicle settings for optimal performance.

These features provide valuable insights for improving vehicle performance and efficiency.

10. User Reviews and Recommendations

What do other users say about different OBD2 software options?

User reviews and recommendations can provide valuable insights when choosing OBD2 software. CAR-TOOL.EDU.VN compiles user feedback to help you make an informed decision.

10.1 Comparing User Experiences with Different Software

What are some common themes in user reviews for different OBD2 software options?

Common themes in user reviews include:

• Ease of Use: Users often comment on the software’s ease of use and interface design.
• Features: Feedback on the software’s features and capabilities.
• Compatibility: Reviews on compatibility with different vehicles and adapters.
• Reliability: Comments on the software’s reliability and accuracy.
• Customer Support: Feedback on the quality of customer support.

10.2 Expert Recommendations and Ratings

What do experts in the automotive industry recommend for OBD2 software?

Experts often recommend:

• Professional-Grade Software: For advanced diagnostics and professional use.
• User-Friendly Software: For beginners and DIY mechanics.
• Specialized Software: For specific vehicle makes and models.
• Software with Good Support: For users who need assistance and guidance.

10.3 Making an Informed Decision Based on Reviews

How can you use user reviews and expert recommendations to make an informed decision?

Use reviews and recommendations by:

• Identifying Your Needs: Determine your diagnostic needs and budget.
• Reading Reviews: Read user reviews and expert opinions on different software options.
• Comparing Features: Compare the features of different software options.
• Considering Recommendations: Take expert recommendations into account.
• Trying Free Trials: Try free trials or demos before making a purchase.

This comprehensive approach helps you choose the best OBD2 software for your needs.

Total car diagnostics free download options can be incredibly useful for vehicle maintenance and troubleshooting. By understanding the role of OBD2, exploring available software options, and following best practices for installation and use, you can effectively diagnose and maintain your vehicle. For further assistance and expert advice, contact CAR-TOOL.EDU.VN at 456 Elm Street, Dallas, TX 75201, United States, or reach out via Whatsapp at +1 (641) 206-8880. Visit our website, CAR-TOOL.EDU.VN, for more resources and support. Let us help you keep your vehicle running smoothly with the best diagnostic tools available.