Atom vs Upsource: What are the differences?

What is Atom? A hackable text editor for the 21st Century. At GitHub, we're building the text editor we've always wanted. A tool you can customize to do anything, but also use productively on the first day without ever touching a config file. Atom is modern, approachable, and hackable to the core. We can't wait to see what you build with it.

What is Upsource? Self-hosted Git, Mercurial, Subversion and Perforce repository browser and code review tool. Upsource summarizes recent changes in your repository, showing commit messages, authors, quick diffs, links to detailed diff views and associated code reviews. A commit graph helps visualize the history of commits, branches and merges in your repository.

Atom can be classified as a tool in the "Text Editor" category, while Upsource is grouped under "Code Collaboration & Version Control".

Some of the features offered by Atom are:

• Atom is a desktop application based on web technologies
• Node.js integration
• Modular Design- composed of over 50 open-source packages that integrate around a minimal core

On the other hand, Upsource provides the following key features:

• Instantly access all your projects
• Keep track of code changes
• Use code insight in Java projects

"Free" is the primary reason why developers consider Atom over the competitors, whereas "Free for 10 users" was stated as the key factor in picking Upsource.

Atom is an open source tool with 49.3K GitHub stars and 12.1K GitHub forks. Here's a link to Atom's open source repository on GitHub.

Lyft, Typeform, and PedidosYa are some of the popular companies that use Atom, whereas Upsource is used by SAYMON, Kialo, and simpleshow GmbH. Atom has a broader approval, being mentioned in 836 company stacks & 725 developers stacks; compared to Upsource, which is listed in 3 company stacks and 4 developer stacks.