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Your stack in the cloud, with VS Code in the browser and a live HTTPS address in about a minute. Includes a free AI app builder that turns a description into a running app with a real database, and a ready coding lab for every student.

replit
StackBlitz
CodePen
CodeSandbox
GitHub Codespaces
CloudShell
JSFiddle
Glitch is the friendly community where everyone builds the web. Simple, powerful interface for creating web apps.

Which is more popular?
Based on our record, Glitch seems to be more popular. It has been mentioned 116 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | portal.uppcoder.com | blog.glitch.com |
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| Company | Startup from Croatia · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Uppcoder runs your stack in the cloud. Pick a framework or a ready-made app, and in about a minute you have a running app at its own HTTPS address, with its database, an editor and a terminal in the browser. Deploy from Git, connect your own domain, and open the database in the built-in admin....
No description of Glitch yet.
What each product offers, as listed by its team.


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


No analysis of Uppcoder yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Describe an app and the AI builder builds it, with its own database, running | Uppcoder
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GLITCH Season 1 Review (Spoiler Free)
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Uppcoder and Glitch.
Uppcoder's answer
Developers who want their stack running without setting up servers; teachers and schools who need a ready coding lab for every student and autograded assignments, often as a GitHub Classroom replacement; and organisers of hackathons and team projects.
Uppcoder's answer
Uppcoder is made by Websson d.o.o., a small software company in Pula, Croatia. We built it because setting up a working development environment and putting an app online still takes too long, for professional developers and even more for students. It grew from hosting developer stacks into an AI app builder, coding labs for education and hackathon workspaces, all on the same platform.
Uppcoder's answer
It covers the whole path from idea to a running app in one place: describe an app to the AI builder, or pick a framework or a ready-made app, and it runs at its own HTTPS address with its database, an editor and a terminal in the browser. The same platform runs coding labs for classes, with assignments marked by tests and LTI 1.3 for Moodle, Canvas and Blackboard, and hackathon workspaces for teams and judges.
Uppcoder's answer
Most tools do one part: an online editor, an AI app generator, a host, or a classroom tool. Uppcoder does all of them on one account, with real stacks rather than a sandboxed toy: your framework, a real database, deploy from Git, your own domain. There is a free plan, the AI builder can be tried without an account, and hosting can be kept to the region you choose, such as Europe or the United States.
Uppcoder's answer
Python (FastAPI) and PostgreSQL on the backend, Vue on the frontend, Keycloak for sign-in, Docker and Traefik for running and routing every app, Celery and Redis for background work, and LiteLLM in front of the AI models.
Share your experience with using Uppcoder and Glitch. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Uppcoder yet. Be the first one to post
Online Support Available — Glitch belongs to the same company from where Stack Overflow is associated. So, Glitch itself is known widely for its forums and its capability to answer almost every common question related...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Uppcoder since Oct 2026.
Thank you! You may find a Live Demo example (deployed as a Bun app) mentioned in this wiki: https://github.com/fullsoak/fullsoak/wiki/Concepts-&-Example-Deployment. - Source: Hacker News / over 1 year ago
I like it! I spun up a little remixable Glitch project based on your demo so that I could play with it in a web editor. Thanks for sharing. https://glitch.com/~fullsoak. - Source: Hacker News / over 1 year ago
Not suitable for complex apps or long-term projects. Learn more... - Source: dev.to / about 2 years ago
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