head to head · open source
Langflow vs apollo-client-devtools
Langflow has 155,451 GitHub stars, 10,193 forks, 1,056 open issues and last shipped today. apollo-client-devtools has 1,528 stars, 173 forks, 53 open issues and last shipped 2 days ago. Langflow leads on adoption by 10,073% (155,451 vs 1,528 stars). Langflow is written in Python under MIT; apollo-client-devtools is written in TypeScript under MIT. Langflow has attracted 7% as many forks as stars, apollo-client-devtools 11%. Langflow 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
| Langflow | apollo-client-devtools | |
|---|---|---|
| GitHub stars | ★ 155K | ★ 1.5K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-10-10 | 2026-10-08 |
| Forks | ⑂ 10K | ⑂ 173 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langflow if
- You weight community size — 155K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick apollo-client-devtools if
- You want the apollo-client-devtools feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and apollo-client-devtools fits your workflow better
About Langflow
Langflow is a visual builder platform for designing, testing, and deploying AI agents and retrieval augmented generation (RAG) pipelines. It lives in the Python based generative AI ecosystem and targets developers building intelligent applications. The project provides a low code interface to assemble components—such as LLMs, vector stores, memory modules, and tools—into executable workflows, while also exposing those workflows as APIs or MCP servers for integration into external applications.
read the full Langflow overview →
About apollo-client-devtools
Apollo Client Devtools is a free, MIT licensed browser extension for Chrome and Firefox that gives developers an "Apollo" tab in their browser inspector for debugging GraphQL applications built with Apollo Client.
read the full apollo-client-devtools overview →
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Frequently asked questions
Is Langflow or apollo-client-devtools more popular?
Langflow has 155,451 GitHub stars and apollo-client-devtools has 1,528. Langflow has the larger community by that measure.
Are Langflow and apollo-client-devtools free?
Both are open source. Langflow is licensed under MIT and apollo-client-devtools under MIT. Neither carries a licence fee.
What is the difference between Langflow and apollo-client-devtools?
Langflow is written in Python and apollo-client-devtools in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Langflow or apollo-client-devtools?
Choose Langflow if you want the larger community (155,451 stars) or its MIT licence terms. Choose apollo-client-devtools if its feature set, stack or MIT licence fits better. Both are self-hostable.