compare
Harper vs Vale
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Harper | Vale |
|---|---|---|
| Language | Rust | Go |
| Licence | Apache-2.0 | MIT |
| Stars | 16k | 6.2k |
| Latest | v2.12.0 | v3.24.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 12 days between releases | about 7 days between releases |
| Active contributors | 28 commit authors on the default branch in the last 90 days | 9 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Grammarly. Alternatives to Grammarly →
PartialHarperEnglish grammar checking offline, in the editor and the browser.
PartialValeStyle guide rules for Markdown, AsciiDoc and other markup, run in the editor or in CI, without grammar correction.
Harper
- v2.12.02026-10-01feat: flag redundant "almost" + "nearly"
- v2.11.02026-09-16fix(web): color of the logo used in loading animation
- v2.10.02026-09-09feat: a jar & a kimbo → ajar & akimbo
- v2.9.12026-09-01chore: more irregular plurals
- v2.8.02026-08-13feat(core): create pool of instantiated linters to amortize construction cost
Vale
- v3.24.02026-10-01This release adds vale test, a test runner for your rules. A rule that matches nothing still loads, runs, and reports s…
- v3.23.02026-09-25Vale 3.23.0 reads a Sphinx project as Sphinx does, reads the markup inside source-code comments, and reads large files…
- v3.22.02026-09-17split: true checks the parts of an identifier (getHTTPResponse_v2 → get, Response) and reports each at its own position.
- v3.21.02026-09-09A scope term that selects document elements by CSS selector, the same way in every format. Headings are wrapped in nest…
- v3.20.02026-09-02Vale 3.20.0 ships a set of features aimed at style authoring at library scale. Std, the new standard library, is built…
Harper
unsigned The latest release, v2.12.0, carries no signature GitHub could verify.
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Vale
✓ signed The latest release, v3.24.0, carries a signature GitHub verified.
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