Best Open-Source Coding & Software Engineering AI Agents (2026)
As of July 2026, the top open-source coding & software engineering AI agent is ECC by affaan-m, with an overall score of 89.3 / 100. 20 coding & software engineering agents are tracked in this category on The Agentic Leaderboard.
| Rank | Agent | Score |
|---|---|---|
| #1 | ECC by affaan-m | 89.3 |
| #2 | cline by cline | 87.7 |
| #15 | DeepSeek-Reasonix by esengine | 85.7 |
| #23 | agents by wshobson | 85.3 |
| #34 | crush by charmbracelet | 84.9 |
| #36 | learn-claude-code by shareAI-lab | 84.7 |
| #51 | agent-skills by addyosmani | 84.2 |
| #54 | goose by aaif-goose | 84.1 |
| #59 | awesome-copilot by github | 84.0 |
| #62 | openinterpreter by openinterpreter | 83.9 |
| #66 | planning-with-files by OthmanAdi | 83.9 |
| #71 | ponytail by DietrichGebert | 83.6 |
| #74 | kilocode by Kilo-Org | 83.6 |
| #82 | open-design by nexu-io | 83.3 |
| #83 | oh-my-openagent by code-yeongyu | 83.3 |
| #85 | agentmemory by rohitg00 | 83.3 |
| #86 | continue by continuedev | 83.2 |
| #88 | OpenHands by OpenHands | 83.1 |
| #91 | oh-my-pi by can1357 | 83.1 |
| #92 | SWE-agent by SWE-agent | 83.1 |