head to head · open source
quasar vs BetterViewer
quasar has 27,201 GitHub stars, 3,664 forks, 74 open issues and last shipped 2 days ago. BetterViewer has 551 stars, 29 forks, 0 open issues and last shipped 7 days ago. quasar leads on adoption by 4,837% (27,201 vs 551 stars). quasar is written in JavaScript under MIT; BetterViewer is written in TypeScript under MIT. quasar has attracted 13% as many forks as stars, BetterViewer 5%. quasar was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser-extension), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| quasar | BetterViewer | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 551 |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-10-15 | 2026-10-10 |
| Forks | ⑂ 3.7K | ⑂ 29 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick quasar if
- You weight community size — 27K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick BetterViewer if
- You want the BetterViewer feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and BetterViewer fits your workflow better
About quasar
Quasar Framework is an MIT licensed Vue.js framework that builds responsive single page apps, server side rendered and statically generated sites, progressive web apps, browser extensions, hybrid mobile apps, and Electron desktop apps from a single codebase.
read the full quasar overview →
About BetterViewer
BetterViewer is an MIT licensed, TypeScript image viewer and editor that runs as a browser extension for Chrome, Edge and Firefox based browsers and as a desktop application for Windows, Linux and macOS, aimed at anyone who wants more than the browser's built in image viewing mode.
read the full BetterViewer overview →
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Frequently asked questions
Is quasar or BetterViewer more popular?
quasar has 27,201 GitHub stars and BetterViewer has 551. quasar has the larger community by that measure.
Are quasar and BetterViewer free?
Both are open source. quasar is licensed under MIT and BetterViewer under MIT. Neither carries a licence fee.
What is the difference between quasar and BetterViewer?
quasar is written in JavaScript and BetterViewer in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, quasar or BetterViewer?
Choose quasar if you want the larger community (27,201 stars) or its MIT licence terms. Choose BetterViewer if its feature set, stack or MIT licence fits better. Both are self-hostable.