Simplex chat by simplex-chat
SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps !
About Simplex chat
From the project's README at github.com/simplex-chat/simplex-chat. Lightly cleaned for readability; for the full source see the upstream repo.
[](https://github.com/simplex-chat/simplex-chat/actions/workflows/build.yml) [](https://github.com/simplex-chat/simplex-chat/releases) [](https://github.com/simplex-chat/simplex-chat/releases) [](https://www.reddit.com/r/SimpleXChat)
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 11k | github.com/simplex-chat/simplex-chat |
| GitHub forks | 601 | github.com/simplex-chat/simplex-chat |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 6.4 years | since Dec 2019 |
| Last commit | 3 days ago | May 4, 2026 |
| Releases shipped | 251 | last: 5 days ago |
| Security policy | SECURITY.md | declared by maintainers |
| Funding links | 2 | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Security advisories
CVE-2022-45195. What people say on Hacker News
- SimpleX Secure Messaging
- Experience with SimpleX Chat: Ultimate Open Source Private Messaging App? (2024)
- SimpleX – the first messaging network operating without user identifiers
- SimpleX Chat v6.4.1: welcome your contacts, review members to protect groups
- SimpleX – messaging network operating without user identifiers
Ready to self-host Simplex chat?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
Similar open-source projects
Projects in our directory that replace the same SaaS or share topics with Simplex chat.