SimpleX chat
π SimpleX - the most private and secure chat - now with double ratchet E2E encryption!
Security & PrivacyEstimatedMomentum
Rising startups β- Launches
- Growth
- Product
- Hiring & team
- Money
- News & stories
19,554 GitHub stars
- +7 days
- +37
- +30 days
- +198
- License
- AGPL-3.0
- Latest release
- v7.1.0-beta.6 Oct 3, 2026
View repo β Compare stars with Rustdesk Open source ranking β
Add badge to your README
[](https://astracia.com/startups/117202/simplex-chat)
Data: GitHub API
Astracia Signal Score
Compare with similar βNot enough public signals for a score yet. Missing signals are not a sign of weakness.
Connections
Sign in to followNo public connections on record yet.
About the startup
SimpleX - the most private and secure chat - now with double ratchet E2E encryption!
Alternatives to SimpleX chat
Browse category βReviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.
| Product |
|---|
BriarSecure messaging, anywhere |
OffCode Tor Chat E2EESetting up your own self hosted chat server has never been this easy. No port forwarding, no cloud account, and no complicated setup. Tor Chat is designed to make secure self hosting simple. Every message is encrypted in |
Phantom ChatNo Phone, No Email, No Trace: Phantom Chat on the App Store |
Aster MailEnd-to-end encrypted email with post-quantum cryptography. |
PrivMXReady-to-use, developer-friendly toolkit for simple implementation of E2E Encryption across Web, Mobile, XR and IoT. |
OlvidThe most secure messaging app in the world. |
Privacyforge.aiAI privacy compliance documents that work |
Bytes RouteBytes Route is a free platform that helps web applications better onboard their users. |
More in Security & Privacy
Browse category βSelected by category and available use-case details. A topic match does not establish equivalent features.
| Product |
|---|
DynomateDynomateβ Fast, Git-Friendly DynamoDB GUI Client (Dynobase Alternative) |
NinjaFirewall (WP Edition)A true Web Application Firewall to secure and protect WordPress. |
ProductivProductiv is a comprehensive SaaS management platform that is designed for enterprises to have the data they need to ensure compliance and security for their products. |
repo-security-scannerCLI tool that finds secrets accidentally committed to a git repo, eg passwords, private keys - UKHomeOffice/repo-security-scanner |
nVotes Online VotingSecure online voting software |
ForesiteForesite is a company that provides services related to cybersecurity and privacy management for your organization. |
Recently added in Security & Privacy
Browse category βAdded to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.
| Product |
|---|
dmsgPrivate messaging built on peer-to-peer technology |
Threat RadarIP investigation and threat intelligence tools |
VsafeCheck suspicious links before you click. |
Refuse to ShareSkip cookie banners. Save time. Share on your terms. |
Explore expertise in Security & Privacy
See all βProfiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.
| Profile |
|---|
Nayaπ» Newsletter: nayamoss.com/newsletter |
Raymond KirkAmerican Cybersecurity Product Manager and AI Risk Consultant |
The CyberHub PodcastThe Hub of the Infosec Community. |
Media about Security & Privacy
See all βShows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.
| Show |
|---|
System MalfunctionNewsletter Β· Hessie Jones |
Incrementally BetterNewsletter Β· Stephan Geering |
Dumping ground for my takesNewsletter Β· Gateklons |
Founder stories from Security & Privacy startups
See all βRetold founder accounts from startups in the same category, each linked to the original.
| Story |
|---|
How a wish-list side project led Joel Griffith to build BrowserlessJoel Griffith needed a browser running behind the scenes for another app. That infrastructure problem became Browserless, a bootstrapped developer business whose early growth depended on practical technical writing, care |
Kleo's $62k MRR sat beside a separate Mentions numberCam Trew says he left a senior engineering job, joined Jake Ward's rebuild of Kleo after Kleo 1.0 already had tens of thousands of users, and later reported Kleo at $62k MRR with Mentions at $20k MRR as a different produ |
Browse Security & Privacy categories
See all βSubcategories in the same part of the directory, with the number of listed products.
| Category |
|---|
Privacy & secure browsing813 listed products |
Identity & authentication598 listed products |
Infrastructure & endpoint security342 listed products |
Threat detection & security testing300 listed products |
Security compliance & training224 listed products |
Data protection & encryption146 listed products |
Application & API security127 listed products |
