CodeViz
Visustin
Code Visual to Flowchart is an automatic program Flow chart generator, it supports most programming languages and Visio,Word,Excel,PowerPoint,PNG and BMP output formats.

Matrix.org
Element.io
Discord
Rocket.Chat
Zulip
Slack
Fosscord
Don't bother with chat apps that don't respect your privacy. Revolt is a brand new chat platform designed around you.

Which is more popular?
Based on our record, Revolt.chat seems to be more popular. It has been mentioned 93 times since March 2021.
Website, pricing, platforms and company facts side by side.
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CVF
Code Visual to Flowchart
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|---|---|---|
| Website | fatesoft.com | revolt.chat |
| Pricing | — | |
| Company | — | Startup from Open Source |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Individuals and groups looking for a self-hosted chat solution, communities that prioritize open-source software, privacy advocates, and developers who appreciate the opportunity to contribute to or customize their chat platform.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Code Visual to Flowchart and Revolt.chat. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking Code Visual to Flowchart since Aug 2025.
I would recommend that people stop taking this kind of bait, especially as an organization. Discord is free for now but that's bound to change and you can't have any expectation of privacy there. In my eyes they're practically the poster... - Source: Hacker News / about 1 year ago
I like Matrix but unfortunately it has major stability issues. The GrapheneOS project moved most of their chat over to Discord after their Matrix community got nuked twice. They still maintain a Matrix community which is bridged to their... - Source: Hacker News / over 1 year ago
Really makes you wonder if/when Discord goes IPO, that Meta would buy a controlling stake in it? Fortunately there are open source alternatives even if they aren't as popular as Discord at the moment, such as Revolt Chat:... - Source: Hacker News / over 1 year ago
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Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
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