Best Open Source Alternatives to ProWritingAid

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

Curated by open-source.store · Updated August 2026 · 6 alternatives

ProWritingAid

Proprietary SaaS

PricingSubscription

Platformsweb, desktop, windows, macos

WebsiteVisit site

ProWritingAid alternatives compared

Open-source alternatives to ProWritingAid, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
LanguageTool	14,750	LGPL-2.1-or-later	LinuxmacOSWindowsDocker	Yes	Aug 2026	Visit
Vale	5,700	MIT	LinuxmacOSWindows	No	Aug 2026	Visit
alex	5,095	MIT	LinuxmacOSWindows	No	Nov 2024	Visit
write-good	5,077	MIT	LinuxmacOSWindows	No	Mar 2025	Visit
proselint	4,555	BSD-3-Clause	LinuxmacOSWindows	No	Jul 2026	Visit
textlint	3,163	MIT	LinuxmacOSWindows	No	Aug 2026	Visit