#104 by GitHub stars · Knowledge work
letta
letta-ai
Platform for stateful agents: AI with advanced memory that can learn and self-improve over time.
View on GitHub 25k stars checked 2026-09-29
- Access
- Open source
- Setup
- Technical
- Pricing
- Free repository; model, API, or hosting costs may apply
- License
- Apache-2.0
- Maintenance
- Active
- Last repository push
- 2026-09-10
Curated knowledge work project
Included in AgentFind's operator-curated GitHub project collection.
Who it fits
People evaluating popular open GitHub projects for knowledge work use cases.
Who should skip it
Anyone who needs a fully verified, zero-setup product recommendation based on popularity alone.
What you need
- Repository setup
- A compatible model or provider may be required
- Review permissions before running
Similar agents
Compare before you commit
These alternatives are maintained as editorial relationships, then checked against the current catalog.
| Agent | Access | Setup | Pricing | Best for | Popularity | Primary link |
|---|---|---|---|---|---|---|
| lettaCurrent | Open source | Technical | Free repository; model, API, or hosting costs may apply | People evaluating popular open GitHub projects for knowledge work use cases. | 25k stars | GitHub |
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| ragflow | Open source | Technical | Free repository; model, API, or hosting costs may apply | People evaluating popular open GitHub projects for knowledge work use cases. | 91.4k stars | GitHub |
| llama_index | Open source | Technical | Free repository; model, API, or hosting costs may apply | People evaluating popular open GitHub projects for knowledge work use cases. | 52.3k stars | GitHub |