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Collection

Best Open Source Tools

520 Open Source tools ranked by monthly visits. Every listing is reviewed and inactive tools are removed.

mindsdb/antonOpen Source

755 stars · updated 2026-10-04 · Python

Open sourcegithub#01
N/AMonthly visits
VectifyAI/PageIndexOpen Source

39,253 stars · updated 2026-10-18 · Python

Open sourcegithub#03
N/AMonthly visits
SylphAI-Inc/AdalFlowOpen Source

4,221 stars · updated 2026-10-21 · Python

Open sourcegithub#04
N/AMonthly visits
learnhouse/learnhouseOpen Source

2,317 stars · updated 2026-10-04 · Python

Open sourcegithub#05
N/AMonthly visits
pykeio/ortOpen Source

2,569 stars · updated 2026-10-17 · Rust

Open sourcegithub#09
N/AMonthly visits
manojmallick/sigmapOpen Source

644 stars · updated 2026-10-04 · JavaScript

Open sourcegithub#11
N/AMonthly visits
jamiepine/voiceboxOpen Source

56,366 stars · updated 2026-10-04 · TypeScript

Open sourcegithub#14
N/AMonthly visits
Card-Forge/forgeOpen Source

2,768 stars · updated 2026-10-04 · Java

Open sourcegithub#17
N/AMonthly visits
robustmq/robustmqOpen Source

1,836 stars · updated 2026-10-17 · Rust

Open sourcegithub#18
N/AMonthly visits
java-up-up/nexus-agentOpen Source

668 stars · updated 2026-10-21 · Java

Open sourcegithub#19
N/AMonthly visits
langchain-ai/langchainOpen Source

147,439 stars · updated 2026-10-04 · Python

Open sourcegithub#20
N/AMonthly visits

FAQ

Frequently asked questions

What is the best Open Source tool?
By monthly visits, the most popular Open Source tools are mindsdb/anton, worldbench/awesome-ai-auto-research, and VectifyAI/PageIndex.
Are there free Open Source tools?
Yes. Free, freemium or open-source options include mindsdb/anton, worldbench/awesome-ai-auto-research, and VectifyAI/PageIndex.
How does TolsAI rank Open Source tools?
Tools are ordered by estimated monthly website visits. Listings are reviewed by editors and inactive tools are removed.