About CVS
CVS is a version control software from GNU used for tracking changes in source code during software development. It provides version tracking, branching and merging capabilities, and support for collaborative work so developers can manage revisions effectively. CVS enables multiple developers to work on a project simultaneously with controlled access to files. It allows for easy retrieval of previous versions of files and integrates with various development environments. Key capabilities: version tracking branching and merging collaborative project support history logging command line interface Best for: software developers and teams that need to manage source code changes and collaborate on software projects.
CVS (Concurrent Versions System) is a long-established, open-source version control system that played a pivotal role in shaping collaborative software development practices. Its primary strength lies in enabling multiple developers to work on the same files at the same time, avoiding the bottleneck of exclusive file locks through a feature known as unreserved checkouts. Built around a centralized repository model and a client/server architecture, it made remote team collaboration possible in an era when most version control was confined to local systems. CVS also introduced useful concepts like vendor branches for integrating external code and a flexible modules database for grouping related files, giving teams a straightforward way to manage large, complex projects. However, CVS is fundamentally a command-line interface tool, which means that users must memorize and execute commands for all operations, something that can deter newcomers. While third-party graphical interfaces like TortoiseCVS have helped make it more approachable, it still demands a level of comfort with terminal-based workflows.
Pros & Cons
- +Open-source and free: No licensing fees; widely used in academic and legacy projects
- +Client/server architecture: Supports distributed development with centralized version history
- +Unreserved checkouts: Multiple developers can work on the same file simultaneously
- +Vendor branch support: Allows importing and merging external versions
- +Scriptable operations: Customize logging and enforce site-specific policies
- +Flexible modules database: Symbolic mapping of file groups for easier management
- +Cross-platform support: Runs on Unix, Windows NT/95, OS/2, and VMS
- +Lightweight and stable: Suitable for small to medium-sized projects
- −Outdated technology: Lacks modern features found in Git, Mercurial, or Subversion
- −No atomic commits: Changes to multiple files aren’t grouped as a single transaction
- −Limited branching and merging tools: Can be error-prone and complex
- −Requires constant server connection: Offline work is limited compared to newer systems
- −Sparse GUI options: Mostly command-line based; fewer user-friendly interfaces
- −Minimal support for binary files: Not ideal for multimedia or non-text assets
- −Declining community activity: Fewer updates and limited modern documentation
Features
Key features
- Client/server architecture
- CVS uses a client/server model that allows geographically dispersed teams to collaborate on a single central repository.
- Unreserved checkouts
- Multiple developers can work on the same files simultaneously, which prevents bottlenecks and enhances collaboration.
- Vendor branches
- This unique feature allows teams to import and merge versions of files from external teams, even if they don't use CVS.
- Module database
- A flexible system that uses a single command to manage a collection of directories and files as a single component.
- Scripting support
- Users can run custom scripts to enforce site-specific policies or log CVS operations.
Additional features
- Version control system
- A tool for recording the history of source files and documents.
- Production quality system
- A robust and widely-used system in many free software projects.
- Individual file history
- Stores the history of files in a format compatible with RCS.
- Scripting support
- Can run user-supplied scripts to log operations or enforce policies.
- Client/server model
- Allows remote teams to work together on a central server.
- Vendor branches
- Can import and merge versions from other teams, even if they don't use CVS.
- Unreserved checkouts
- Allows multiple developers to work on the same files at the same time.
- Flexible modules database
- Provides a symbolic mapping of names to collections of directories and files, which can be manipulated with a single command.
- Cross-platform support
- Servers run on most Unix variants, and clients are available for Windows, OS/2, and VMS.
- Open source
- The software is open source and maintained by volunteers.
Pricing
Countries & Languages
Interface languages
Billing currencies
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About CVS
CVS is a version control software from GNU used for tracking changes in source code during software development. It provides version tracking, branching and merging capabilities, and support for collaborative work so developers can manage revisions effectively. CVS enables multiple developers to work on a project simultaneously with controlled access to files. It allows for easy retrieval of previous versions of files and integrates with various development environments. Key capabilities: version tracking branching and merging collaborative project support history logging command line interface Best for: software developers and teams that need to manage source code changes and collaborate on software projects.
CVS Details
CVS's In-App Market Place
Does CVS have an in-app market place?
Yes
How many Mini-Apps in the marketplace?
9
Mini Apps
1. WinCVS: A Windows front-end for CVS
providing a graphical interface for easier management and version control of files.
2. TortoiseCVS: An extension for Windows Explorer that allows users to directly interact with CVS repositories without needing to use the command line.
3. Eclipse CVS: A plugin for the popular Eclipse IDE that integrates CVS functionality directly into the development environment
allowing for seamless version control within the IDE.
4. RapidSVN: A cross-platform GUI client for CVS that provides a user-friendly interface for managing repositories and files.
5. SmartCVS: A graphical CVS client that offers features such as conflict resolution
tagging
and branching for easier version control management.
Pricing Options
Accepted Payment Currencies
USD ($), EUR (€), GBP (£), JPY (¥), AUD ($), CAD ($), CHF (CHF), CNY (¥), SEK (kr), NZD ($), KRW (₩), SGD ($), HKD ($), NOK (kr), MXN ($), INR (₹)
Pros & Cons
- Open-source and free: No licensing fees; widely used in academic and legacy projects
- Client/server architecture: Supports distributed development with centralized version history
- Unreserved checkouts: Multiple developers can work on the same file simultaneously
- Vendor branch support: Allows importing and merging external versions
- Scriptable operations: Customize logging and enforce site-specific policies
- Flexible modules database: Symbolic mapping of file groups for easier management
- Cross-platform support: Runs on Unix, Windows NT/95, OS/2, and VMS
- Lightweight and stable: Suitable for small to medium-sized projects
- Outdated technology: Lacks modern features found in Git, Mercurial, or Subversion
- No atomic commits: Changes to multiple files aren’t grouped as a single transaction
- Limited branching and merging tools: Can be error-prone and complex
- Requires constant server connection: Offline work is limited compared to newer systems
- Sparse GUI options: Mostly command-line based; fewer user-friendly interfaces
- Minimal support for binary files: Not ideal for multimedia or non-text assets
- Declining community activity: Fewer updates and limited modern documentation
CVS's Support Options
Email Address
info-cvs@nongnu.orgDocumentation
https://www.nongnu.org/cvs/#documentationCVS's Alternatives
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