Open-source skill category
AI coding agents and harnesses
Open-source coding agents, CLIs, editor assistants, and harnesses for hands-on software work.
Who it helps
- • Developers choosing a coding agent workflow
- • Teams comparing terminal, editor, and benchmark-driven approaches
What to compare
- • Diff quality and review controls
- • Model/provider flexibility
- • Git behavior, sandboxing, and command permissions
Trust checks
- • Use disposable branches
- • Review every file change
- • Keep secrets out of test tasks
Relevant profiles
Compare the source repos before you adopt a workflow
Each profile links to the public source and explains when to install, study, adapt, or integrate it.
Install candidate
OpenAI Codex CLI
Maintained by openai
Open-source coding agent CLI for terminal-based software work.
View decision guide
Study first
Claude Code
Maintained by anthropics
Public Claude Code repo and docs for studying agentic coding workflows.
View decision guide
Install candidate
OpenCode
Maintained by sst
Terminal-first AI coding agent with provider flexibility and project workflows.
View decision guide
Install candidate
Aider
Maintained by Aider-AI
AI pair programming in the terminal with Git-aware code edits.
View decision guide
Install candidate
Continue
Maintained by continuedev
Open-source autopilot for VS Code and JetBrains with local and hosted models.
View decision guide
Shared by public contributors
These repos are public work from their maintainers and communities. BuildLeanSaaS links to the sources for evaluation and does not imply maintainer endorsement.
Daily X highlights
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