Listed together in guide “AI coding tools”
Automated code review and code quality platform that scans repositories and AI-generated code for quality, security, and coverage issues, with AI features for pull requests and coding agents.
Freemium
Use cases
- Enforcing code quality standards across repositories and teams
- Catching security issues and secrets before code is merged
- Applying quality and security policies to AI-generated code
Pricing: Codacy offers a free plan for individual developers, and open-source projects can use the Team plan for free; paid Team and Business plans are billed per developer per month, with custom quotes for larger organizations. Capabilities such as AI Inventory and AI Risk Hub are part of the Business plan.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-09-10.
Listed together in guide “Multi-file edits in an existing repository”
AI code-review assistant that reviews pull requests and suggests changes.
Freemium
Use cases
- Speeding up code review on pull requests
- Catching issues before human review
- Consistent review coverage across a team
Pricing: Reviews are free for public repositories, including open-source projects; paid plans add features and organization controls.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-09-10.
Listed together in guide “Choosing a VS Code AI extension”
Enterprise AI coding assistant from Sourcegraph with whole-codebase context; free and Pro tiers ended in 2025, succeeded for individuals by Amp.
Paid
Use cases
- Understanding and navigating large codebases
- Codebase-aware chat and refactoring
- Enterprise coding assistance with code search
Pricing: Cody Free and Pro were discontinued on July 23, 2025; Cody is now sold as part of Sourcegraph's enterprise offerings, with Amp serving individual developers.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-09-04.
Listed together in guide “Multi-file edits in an existing repository”
Code integrity platform (formerly CodiumAI) for AI-generated tests, reviews, and code suggestions.
Freemium
Use cases
- Raising test coverage automatically
- Speeding up PR review with AI summaries and findings
- Enforcing code quality standards in CI
Pricing: A free Developer tier covers individual use; Teams and Enterprise plans are per-seat with advanced integrations and support.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-10.
Listed together in guide “AI coding tools”
Software-engineering intelligence platform that scores a codebase with Code Health and uses that metric to gate, review, and refactor AI-generated code.
Freemium
Use cases
- Safeguarding AI-generated code before it is merged
- Prioritising technical debt by business impact instead of warning count
- Running code-quality analysis on-premise for teams that cannot use SaaS
Pricing: The pricing page lists a Standard plan at €18 with yearly billing (advertised as a 10% saving), delivered on-premise (self-managed) or cloud-based. Pro, enterprise terms, and the ACE and MCP Server add-ons are quote-based, and a free Community Edition covers open-source projects.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-12.
Listed together in guide “AI coding tools”
Autonomous Java unit-test generation: Diffblue Cover writes, maintains, and repairs tests with a deterministic reinforcement-learning engine that runs in the customer's own environment.
Freemium
Use cases
- Raising unit-test coverage on a legacy Java codebase before modernisation
- Adding regression tests in CI without hand-writing each case
- Keeping source code off external model providers for regulated or air-gapped projects
Pricing: Pricing is outcome-based rather than per seat: the published starter package is $1,500 for 5,000 net new lines of coverage, an effective $0.30 per line, with enterprise packages quoted. Cover Community Edition is a free edition for open-source and commercial use.
Pricing ↗ · Sources
This record was last reviewed on 2026-10-12.
Related: shares the task Writing new code, Editing an existing codebase
Open-source command-line tool for AI pair programming that edits code in your local git repository.
Open (open weights/source) Apache-2.0
Use cases
- Making multi-file code changes from natural-language requests
- Refactoring or extending an existing codebase from the terminal
- Pair programming with local or hosted models without leaving the CLI
Pricing: Aider is free and open source (Apache-2.0); the only cost is API usage for the LLM you connect, or nothing when using a local model.
Documentation ↗ · Sources
This record was last reviewed on 2026-10-10.
Related: shares the task Writing new code, Editing an existing codebase
AWS's AI coding assistant (formerly CodeWhisperer) for code generation, security scans, and AWS tasks.
Freemium
Use cases
- Writing and reviewing code with AWS context
- Scanning code for vulnerabilities
- Automating Java and framework upgrades
Pricing: A free tier is available; the Pro tier adds higher limits and administrative controls for organizations.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-09.