head to head · open source
Dify vs evolver
Dify has 156,215 GitHub stars, 24,668 forks, 1,067 open issues and last shipped today. evolver has 9,098 stars, 845 forks, 26 open issues and last shipped 2 days ago. Dify leads on adoption by 1,617% (156,215 vs 9,098 stars). Dify is written in TypeScript under a custom or non-standard licence; evolver is written in JavaScript under GPL-3.0. Dify has attracted 16% as many forks as stars, evolver 9%. Dify was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Dify | evolver | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 9.1K |
| License | Custom / other | GPL-3.0 |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-18 | 2026-09-16 |
| Forks | ⑂ 25K | ⑂ 845 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Dify if
- You weight community size — 156K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick evolver if
- You want the evolver feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and evolver fits your workflow better
About Dify
Dify is an open source LLM application development platform built in TypeScript. It provides a visual interface for designing, testing, and deploying AI workflows, RAG pipelines, and agentic systems without writing extensive code. The platform lives in the generative AI development ecosystem and targets teams needing to move from prototype to production using consistent tooling across environments.
About evolver
Evolver is a GEP powered self evolving engine for AI agents that turns ad hoc prompt tweaks into auditable, reusable evolution assets, built for developers and teams who want governed, reviewable agent evolution instead of scattered prompt edits.
read the full evolver overview →
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Frequently asked questions
Is Dify or evolver more popular?
Dify has 156,215 GitHub stars and evolver has 9,098. Dify has the larger community by that measure.
Are Dify and evolver free?
Both are open source. Dify has no licence declared in this registry, and evolver is licensed under GPL-3.0. Both are free to self-host.
What is the difference between Dify and evolver?
Dify is written in TypeScript and evolver in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Dify or evolver?
Choose Dify if you want the larger community (156,215 stars) or its Custom / other licence terms. Choose evolver if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.