
HackerRank
7.4#1 in interview intelligence softwareFrom $165 a monthWebAPImacOSWindows
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| Fact | HackerRank | Hopp |
|---|---|---|
| Documentation | HackerRank maintains a searchable support knowledge base with API guides, product instructions, release notes, integrations, and candidate documentation. | Official documentation covers quick start, local development, self-hosting, features, Slack integration and contribution guidance. |
| Founded | 2009 | The founders say they started building Hopp in September 2024. |
| Licence | The terms say HackerRank or its licensors exclusively own the hosted services and grant users only a non-exclusive access licence, indicating proprietary software rather than open source. | The repository is licensed under GNU Affero General Public License version 3.0. |
| Purpose | HackerRank helps companies attract, hire, and upskill developers while supporting a large developer community. | Hopp is an open-source screen-sharing and remote pair-programming app built for developers. |
You want what its maker publishes above — check its page for the details.
Hopp suits developers and engineering teams working on code reviews, debugging, mob programming, or onboarding. It also fits teams that want to self-host their collaboration tool.