AI agent tools span general-purpose agent platforms, orchestration frameworks, memory systems, coding agents, and supporting infrastructure, which makes direct comparison difficult. This August 2026 ranking uses the supplied ToolVitals snapshot of health, shipping activity, openness, licensing, and GitHub popularity.
The ranking includes only open or source-visible tools. Tools are ordered by ToolVitals score first, with GitHub stars used as the secondary popularity signal; this places AutoGPT, LangChain, and Mem0 first among the six tools tied at a score of 100.
Rankings
| Rank | Tool | Openness | License | Health | Shipping | GitHub Stars | Score | Status |
|---|---|---|---|---|---|---|---|---|
| 1 | AutoGPT | OSI-approved OSS | MIT | 100 | 100 | 185753 | 100 | 🟢 Excellent |
| 2 | LangChain | OSI-approved OSS | MIT | 100 | 100 | 143012 | 100 | 🟢 Excellent |
| 3 | Mem0 | OSI-approved OSS | Apache-2.0 | 100 | 100 | 62143 | 100 | 🟢 Excellent |
| 4 | Agno | OSI-approved OSS | Apache-2.0 | 100 | 100 | 41505 | 100 | 🟢 Excellent |
| 5 | Composio | OSI-approved OSS | MIT | 100 | 100 | 29472 | 100 | 🟢 Excellent |
| 6 | Haystack | OSI-approved OSS | Apache-2.0 | 100 | 100 | 26070 | 100 | 🟢 Excellent |
| 7 | claude-mem | OSI-approved OSS | Apache-2.0 | 98 | 100 | 89396 | 99 | 🟢 Excellent |
| 8 | CopilotKit | OSI-approved OSS | MIT | 98 | 100 | 36375 | 99 | 🟢 Excellent |
| 9 | Onyx | OSI-approved OSS | MIT | 98 | 100 | 31280 | 99 | 🟢 Excellent |
| 10 | OpenAI Agents SDK | OSI-approved OSS | MIT | 100 | 100 | 28294 | 99 | 🟢 Excellent |
| 11 | Kilo Code | OSI-approved OSS | MIT | 98 | 100 | 26681 | 99 | 🟢 Excellent |
| 12 | Cua | OSI-approved OSS | MIT | 98 | 100 | 20802 | 99 | 🟢 Excellent |
| 13 | ElizaOS | OSI-approved OSS | MIT | 98 | 98 | 18834 | 99 | 🟢 Excellent |
| 14 | Omi | OSI-approved OSS | MIT | 98 | 98 | 13093 | 99 | 🟢 Excellent |
| 15 | agent-of-empires | OSI-approved OSS | MIT | 98 | 100 | 2914 | 99 | 🟢 Excellent |
| 16 | OpenClaw | OSI-approved OSS | MIT | 95 | 100 | 384583 | 98 | 🟢 Excellent |
| 17 | Hermes Agent | OSI-approved OSS | MIT | 95 | 100 | 222736 | 98 | 🟢 Excellent |
| 18 | OpenCode | OSI-approved OSS | MIT | 95 | 100 | 191218 | 98 | 🟢 Excellent |
| 19 | Ollama | OSI-approved OSS | MIT | 95 | 100 | 177324 | 98 | 🟢 Excellent |
| 20 | OpenHands | OSI-approved OSS | MIT | 95 | 100 | 82597 | 98 | 🟢 Excellent |
| 21 | Pi | OSI-approved OSS | MIT | 95 | 100 | 80872 | 98 | 🟢 Excellent |
| 22 | Unsloth | OSI-approved OSS | Apache-2.0 | 95 | 100 | 69206 | 98 | 🟢 Excellent |
| 23 | CrewAI | OSI-approved OSS | MIT | 96 | 100 | 56561 | 98 | 🟢 Excellent |
| 24 | Goose | OSI-approved OSS | Apache-2.0 | 95 | 100 | 51978 | 98 | 🟢 Excellent |
| 25 | FastGPT | OSI-approved OSS | Apache-2.0 | 95 | 100 | 29203 | 98 | 🟢 Excellent |
| 26 | OpenViking | OSI-approved OSS | AGPL-3.0 | 95 | 100 | 27654 | 98 | 🟢 Excellent |
| 27 | MCP Toolbox | OSI-approved OSS | Apache-2.0 | 98 | 95 | 16082 | 98 | 🟢 Excellent |
| 28 | RTK | OSI-approved OSS | Apache-2.0 | 95 | 100 | 74041 | 97 | 🟢 Excellent |
| 29 | AionUI | OSI-approved OSS | Apache-2.0 | 95 | 100 | 31152 | 97 | 🟢 Excellent |
| 30 | Sim | OSI-approved OSS | Apache-2.0 | 94 | 98 | 29240 | 97 | 🟢 Excellent |
| 31 | Genkit | OSI-approved OSS | Apache-2.0 | 93 | 100 | 6314 | 97 | 🟢 Excellent |
| 32 | Emdash | OSI-approved OSS | Apache-2.0 | 95 | 98 | 5325 | 97 | 🟢 Excellent |
| 33 | kagent | OSI-approved OSS | Apache-2.0 | 93 | 100 | 3420 | 97 | 🟢 Excellent |
| 34 | Vercel Chat SDK | OSI-approved OSS | MIT | 93 | 100 | 2250 | 97 | 🟢 Excellent |
| 35 | ToolHive | OSI-approved OSS | Apache-2.0 | 93 | 100 | 1981 | 97 | 🟢 Excellent |
| 36 | Vellum Assistant | OSI-approved OSS | MIT | 93 | 100 | 978 | 97 | 🟢 Excellent |
| 37 | Gemini CLI | OSI-approved OSS | Apache-2.0 | 95 | 94 | 106327 | 96 | 🟢 Excellent |
| 38 | ForgeCode | OSI-approved OSS | Apache-2.0 | 90 | 100 | 7478 | 96 | 🟢 Excellent |
| 39 | Agenta | OSI-approved OSS | MIT | 92 | 98 | 4397 | 96 | 🟢 Excellent |
| 40 | Deco Studio | OSI-approved OSS | MIT | 93 | 98 | 394 | 96 | 🟢 Excellent |
| 41 | Open WebUI | OSI-approved OSS | BSD-3-Clause | 91 | 95 | 147341 | 95 | 🟢 Excellent |
| 42 | RAGFlow | OSI-approved OSS | Apache-2.0 | 93 | 95 | 86454 | 95 | 🟢 Excellent |
| 43 | Casibase | OSI-approved OSS | Apache-2.0 | 91 | 98 | 5470 | 95 | 🟢 Excellent |
| 44 | Thunderbolt | OSI-approved OSS | MPL-2.0 | 91 | 98 | 4751 | 95 | 🟢 Excellent |
| 45 | Agent OS | OSI-approved OSS | Apache-2.0 | 91 | 95 | 4235 | 95 | 🟢 Excellent |
| 46 | Agent Device | OSI-approved OSS | MIT | 90 | 98 | 3900 | 95 | 🟢 Excellent |
| 47 | everything-claude-code | OSI-approved OSS | MIT | 94 | 89 | 235809 | 94 | 🟢 Excellent |
| 48 | OpenWork | OSI-approved OSS | MIT | 90 | 95 | 18259 | 94 | 🟢 Excellent |
| 49 | Rowboat | OSI-approved OSS | Apache-2.0 | 90 | 95 | 16896 | 94 | 🟢 Excellent |
| 50 | MonkeyCode | OSI-approved OSS | AGPL-3.0 | 91 | 98 | 3999 | 94 | 🟢 Excellent |
Top 3 Highlights
AutoGPT ranks first with a ToolVitals score of 100, health and shipping scores of 100, and 185,753 GitHub stars. Its first-party site frames the project around making AI accessible and providing tools that users can build on. It is labeled OSI-approved OSS under the MIT license.
LangChain ranks second with a ToolVitals score of 100 and health and shipping scores of 100. Its first-party site describes it as an agent engineering platform. Its 143,012 GitHub stars provide the secondary signal that places it behind AutoGPT and ahead of the other tools tied at 100; it is labeled OSI-approved OSS under the MIT license.
Mem0 ranks third with a ToolVitals score of 100, health and shipping scores of 100, and 62,143 GitHub stars. Its first-party site positions it as a universal memory layer for AI agents, giving it a narrower focus than the two higher-ranked platforms. It is labeled OSI-approved OSS under the Apache-2.0 license.
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