
CodeSandbox
replit
CodePen
GitHub Codespaces
Glitch
JSFiddle
vscode.dev
Online VS Code Editor for Angular and React

Slack
Rocket.Chat
Discord
Element.io
Telegram
Zulip
Microsoft Teams
Mattermost is an open source alternative to Slack.
Which is more popular?
StackBlitz might be a bit more popular than Mattermost. We know about 112 links to it since March 2021 and only 75 links to Mattermost.
Website, pricing, platforms and company facts side by side.
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| Website | stackblitz.com | mattermost.com |
| Pricing | ||
| Company | — | Startup from the United States |
| 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.


No analysis of StackBlitz yet.
Overall verdict
Why this product is good
Recommended for
Mattermost is recommended for organizations that prioritize data privacy and security, need extensive customization options, or are looking to integrate a collaboration tool into existing systems. It is also suitable for teams in regulated industries requiring on-premises solutions.
Walkthroughs and reviews on video.
StackBlitz - Online Code Editor For Angular and React - Introduction
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using StackBlitz and Mattermost. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


All applications created on StackBlitz also get deployed automatically on their servers! So, this Angular toy app I just created is hosted automatically on https://angular-yvyi2j.stackblitz.io/. Most likely, the URL...
I've started using this as my main IDE for new projects when I'm trying things out. If it keeps getting better at the rate it has been, it'll be even better than coding locally.
StackBlitz claims to allow you to code the future in your browser. And after trying it, I’m confident you’ll agree that this web application is extremely useful for coders.
Mattermost is an open-source platform that enables safe collaboration in self-hosted chat programs featuring file sharing, search, and integrations; groups and businesses can use it as an internal chat.
Mattermost uses monolithic architecture, which is tightly coupled and complex to understand. It restricts the scalability of the collaboration tool, which is a limitation for growing businesses. In that case,...
Below is a curated list of the 12 best self-hosted messaging apps like MirrorFly, Mattermost, Zulio, Nextcloud, and Rocket.chat that offer unique collaboration features and lets you take full control of your data.
Recommendations tracked on public social media and blogs since March 2021.


Managing reactive state and dependent computations in JavaScript can get complex, especially when combining asynchronous and synchronous data. RS-X is a library that allows you to bind expressions to plain objects and makes the parts of... - Source: Hacker News / 7 months ago
I like htmx, LiveView, React and Solid. They are great at different points, so I try to combine them in Solv (Stateless Offline-capable LiveView) and write a prototype to show the benefits. Solv's main idea is that stateless servers keep... - Source: Hacker News / 10 months ago
I like htmx, LiveView, React and Solid. They are great at different points, and this is a prototype trying to combine them. Solv's main idea is that stateless servers keep client's state in a volatile cache. It enables server components... - Source: Hacker News / 10 months ago
The amazing thing is that there is almost always an open-source alternative that is 10x better in many ways, in the case of slack https://mattermost.com/ I'm looking forward for AI to make it very easy to deploy your own tools and walk... - Source: Hacker News / 25 days ago
How does it compare to MatterMost [1]? [1] https://mattermost.com/. - Source: Hacker News / 4 months ago
Slack's value is real, especially for cross-company conversations with clients and vendors. But for internal communication in companies that care about data residency or audit requirements, Mattermost is a credible self-hosted... - Source: dev.to / 5 months ago
When comparing StackBlitz and Mattermost, you can also consider the following products.


A messaging app for teams who see through the Earth!
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Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
Compare replit to StackBlitz or Mattermost:

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
Compare Rocket.Chat to StackBlitz or Mattermost:


Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Compare Discord to StackBlitz or Mattermost: