Best Open Source Alternatives to Harvest

Compare the best free and open-source alternatives to Harvest — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 3 alternatives

Harvest

Proprietary SaaS

PricingFreemium

Platformsweb, mobile, desktop

WebsiteVisit site

Harvest alternatives compared

Open-source alternatives to Harvest, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Super Productivity	21,050	MIT	LinuxmacOSWindowsandroid	No	Aug 2026	Visit
ActivityWatch	18,456	GPL-3.0	LinuxmacOSWindowsandroid	No	Aug 2026	Visit
Kimai	4,851	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit