
DevDocs
Dash for macOS
Velocity
DASH
Papaya Global
Greenboard
Zest
A free, open-source offline documentation browser that puts documentation for every major language and framework one instant search away, on Linux and Windows.

Waydev
Teamplify
Gitential
GitClear
Swarmia
Code Climate Velocity
Haystack Editor
AI-powered contributions analytics app featuring Performance Reviews, Retrospectives, Alerts, Gamification and much more!

Which is more popular?
Based on our record, Zeal seems to be a lot more popular than devActivity. While we know about 67 links to Zeal, we've tracked only 3 mentions of devActivity.
Website, pricing, platforms and company facts side by side.
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| Website | zealdocs.org | devactivity.com |
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| Platforms | ||
| Company | Startup from Open Source · 1 - 9 employees · 2013 | Startup from Ukraine · 1 - 9 employees · 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.


Zeal is a free and open-source offline documentation browser for developers. You download docsets for the languages, frameworks, and libraries you use, and Zeal lets you search across all of them at once and jump straight to the symbol, class, or function you need. Because everything is stored...
devActivity is a performance analytics platform that automatically collects data from GitHub, measuring and analyzing developer metrics in real-time. Use devActivity to easily get performance reviews based on contributions activity and use AI-based recommendations for retrospectives....
What each product offers, as listed by its team.


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
Walkthroughs and reviews on video.
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devActivity for Bitbucket Demo Video
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Zeal and devActivity.
Zeal's answer
Zeal's answer
C++ and Qt 6, with Qt WebEngine (Chromium) rendering the documentation pages. SQLite powers the search index, libarchive handles docset extraction, and the build uses CMake and Ninja.
Zeal's answer
Zeal started in 2013 as a free, open-source way to get Dash-style offline documentation on Linux, where Dash (macOS-only) was not available. It adopted the same docset format, grew Windows support, and has been developed in the open ever since, maintained by a small team in their spare time with contributions from the community.
Zeal's answer
Software developers who look up reference documentation many times a day: languages, frameworks, libraries, and tools. More broadly, anyone who wants a personal reference library that works without internet access. The docset catalog is developer-focused today and gradually broadening.
devActivity's answer:
Software Dev Team
Zeal's answer
Compared to Dash, Zeal is free, open-source, and runs on Linux and Windows rather than macOS.
Compared to web-based tools like DevDocs, Zeal is a native desktop application that works with no connection at all, supports a much larger docset catalog, and can be summoned from anywhere with a global shortcut. Compared to searching the web, lookups are instant, ad-free, and exactly scoped to the libraries you actually use.
devActivity's answer:
Zeal's answer
Zeal combines things that usually come as trade-offs: it is fully offline, native, and free.
All documentation is stored locally and searched with instant fuzzy matching across every docset you have installed at once. It uses the same docset format as Dash, so the catalog covers every major language, framework, and tool, while running on Linux and Windows as open-source software under GPL-3.0-or-later.
Share your experience with using Zeal and devActivity. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


This isn't a new idea for developer tools. DevDocs, Zeal, and Dash have offered offline documentation browsing for years. What's new is applying this architecture to AI agents — giving your coding assistant the same offline, instant,... - Source: dev.to / 7 months ago
Zeal might be what you are looking for - https://zealdocs.org/. - Source: Hacker News / 10 months ago
I find that self hosting "devdocs" [1] and having zeal (on linux) [2] solve a lot of these problems with the offline docs. [1] https://github.com/freeCodeCamp/devdocs. - Source: Hacker News / over 1 year ago
To accurately assess the impact of experiments, you must implement robust tracking and monitoring systems. This involves collecting data on key performance indicators (KPIs), user behavior, and system performance. By carefully analyzing... - Source: dev.to / 8 months ago
Try devActivity today. With its free plan for up to 7 contributors, you'll be surprised at the data-driven insights that devActivity can provide to help you execute your plans. - Source: dev.to / almost 2 years ago
Give devActivity a try! It has a free plan that allows you to manage up to 7 contributors, so there's no risk in exploring how it can empower your team to work smarter and achieve more. - Source: dev.to / almost 2 years ago
When comparing Zeal and devActivity, you can also consider the following products.

Open source API documentation browser with instant fuzzy search, offline mode, keyboard shortcuts, and more
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Waydev analyzes your codebase from Github, Gitlab, Azure DevOps & Bitbucket to help you bring out the best in your engineers work.
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Dash is an API Documentation Browser and Code Snippet Manager. Dash searches offline documentation of 200+ APIs and stores snippets of code. You can also generate your own documentation sets.
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Team Management for developers. Simplified and automated
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Velocity gives your Windows desktop offline access to over 150 API documentation sets provided by...
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