Open Source alternative to Clay in 2026
We compare 1 self-hostable tool you can deploy on your own server in minutes, with license, tech stack and a ready-to-copy docker-compose.
Quick comparison
Sorted by featured first, then GitHub stars as a tiebreaker — the same rule we use across the whole site.
| Tool | License | Minimum RAM | Docker | GitHub |
|---|---|---|---|---|
| Monica Lightest option100% FOSSMost popular on GitHub1-Click Deploy | AGPL-3.0 | ~1GB | ✅ | ★ ~21,000 |
Detailed profile of each alternative
Alternative to Clay
Personal CRM for your relationships, an alternative to Clay.
How much does Clay cost, and how much can you save?
Clay charges a recurring monthly fee. Self-hosting the alternative, you only pay for the server — usually a few dollars a month.
Calculate your exact savings in the SaaS Audit →Already know which one you want?
Add Monica to the Stack Builder and generate a ready-to-deploy docker-compose.yml, alone or alongside the rest of your stack.
Build my stackFrequently asked questions
Do I need Docker to self-host a Clay alternative?
Yes: the only alternative on this list has a ready-to-copy docker-compose.yml. You just need Docker installed on your server.
How much RAM do I need at minimum?
The lightest option on this list is Monica, which runs on as little as 1GB of RAM — enough for a cheap VPS.
Are they all 100% free, or are there paid features like on Clay?
Yes, it's 100% FOSS: no paid plan or locked features when self-hosted.