head to head · open source
OpenOutreach vs ktx
OpenOutreach has 3,478 GitHub stars, 626 forks, 1 open issues and last shipped 11 days ago. ktx has 1,628 stars, 110 forks, 52 open issues and last shipped 12 days ago. OpenOutreach leads on adoption by 114% (3,478 vs 1,628 stars). OpenOutreach is written in Python under GPL-3.0; ktx is written in TypeScript under Apache-2.0. OpenOutreach has attracted 18% as many forks as stars, ktx 7%. OpenOutreach was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-agents), so they are genuine substitutes rather than adjacent tools.
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
| OpenOutreach | ktx | |
|---|---|---|
| GitHub stars | ★ 3.5K | ★ 1.6K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-10-23 | 2026-10-22 |
| Forks | ⑂ 626 | ⑂ 110 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenOutreach if
- You weight community size — 3.5K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick ktx if
- You want the ktx feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and ktx fits your workflow better
About OpenOutreach
OpenOutreach — open source AI agent for B2B lead generation Describe your product. Define your target market. The AI finds the people who fit, tells you why each one does, and emails them. Self hosted CLI. One install, one onboarding, one command. Demo 🚀 What is OpenOutreach? OpenOutreach is a self hosted, open source lead finder that qualifies for you — and then writes the email. You describe your product and your target market; it discovers matching people from a licensed data provider , judges each one against the ICP it learned from your description, hands you the ones that fit with the reason each was…
read the full OpenOutreach overview →
About ktx
The context layer for data agents Quickstart · CLI Reference · Agent Setup · Slack Built and maintained by Kaelio ktx is a self improving context layer that teaches agents how to query your warehouse accurately from approved metric definitions, joinable columns, and business knowledge it builds and maintains for you. [!NOTE] Run ktx with your own LLM API keys or a local agent sign in — a Claude Pro/Max subscription through Claude Code, or your local Codex authentication. No extra usage billing from ktx . Why ktx General purpose agents struggle on data tasks. They re explore your warehouse on every question…
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Frequently asked questions
Is OpenOutreach or ktx more popular?
OpenOutreach has 3,478 GitHub stars and ktx has 1,628. OpenOutreach has the larger community by that measure.
Are OpenOutreach and ktx free?
Both are open source. OpenOutreach is licensed under GPL-3.0 and ktx under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenOutreach and ktx?
OpenOutreach is written in Python and ktx 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, OpenOutreach or ktx?
Choose OpenOutreach if you want the larger community (3,478 stars) or its GPL-3.0 licence terms. Choose ktx if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.