1
Also covers open source and text tools · same kind of open-source project
ttyper runs a Rust-based typing test in the terminal, according to its repository description.
Alternatives
The Best Harper Alternatives in 2026
24 alternatives3 free · 19 open source
Looking for something like Harper? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 19 are open source.
Harper checks grammar and spelling offline and is written in Rust, according to its repository.
Top picks at a glance
First suggestionttyperttyper runs a Rust-based typing test in the terminal…Free or freemium optionurl-to-mdurl-to-md converts a web address into clean Markdown for…Another optionHarperHarper checks grammar and spelling locally on a device…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | ttyper | — | Yes | Linux |
| 2 | Harper | — | Not stated | macOS, Web |
| 3 | Languagetool | — | Yes | — |
| 4 | url-to-md | Free | Not stated | — |
| 5 | Writing Tools | Free | Yes | Linux, macOS, Windows |
| 6 | Buzz | — | Yes | — |
| 7 | FontoGen | — | Yes | — |
| 8 | FiraCode | — | Yes | — |
| 9 | Linux Font Manager | — | Yes | Linux |
| 10 | Linkspector | — | Yes | — |
All Harper alternatives
2
Harper
writewithharper.comAlso covers text tools
Harper checks grammar and spelling locally on a device, with an open-source project page for writers and developers.
3
Also covers open source and text tools · same kind of open-source project
LanguageTool checks grammar and style across more than 25 languages, according to its project description.
4
Also covers developer tools and text tools · same kind of open-source project · free
url-to-md converts a web address into clean Markdown for use with LLMs through a free API.
5
Also covers open source and text tools · free
WritingTools is a system-wide grammar assistant, according to its repository description.
6
Also covers open source and text tools · same kind of open-source project
Buzz transcribes and translates audio offline on a personal computer, using Whisper models according to its project description.
7
Also covers open source and text tools · same kind of open-source project
FontoGen is a source-code repository for generating fonts with an example dataset and training script.
8
Also covers open source and text tools · same kind of open-source project
Fira Code is a monospaced font with programming ligatures, according to its repository description.
9
Also covers open source and text tools · same kind of open-source project
Font Manager is a font-management application for GTK desktop environments, according to its repository page.
10
Also covers open source and text tools · same kind of open-source project
Linkspector checks content links through a GitHub Action that runs with Reviewdog on pull requests.
11
Grammarly
grammarly.com/grammar-checkAlso covers text tools
Grammarly checks grammar, spelling, and punctuation and offers writing suggestions, according to its page.
12
Scribens
scribens.comAlso covers text tools
Scribens checks English grammar and spelling, including punctuation, agreement, conjugation, and word confusion.
13
LanguageTool
languagetool.orgAlso covers text tools
LanguageTool checks grammar, punctuation, and spelling across more than 30 languages, with an AI writing assistant described on its page.
14
Also covers open source and text tools · same kind of open-source project · free
WindowTextExtractor retrieves text from operating-system windows, including controls and password fields, according to its project page.
15
Also covers open source and text tools · same kind of open-source project
Paperless-ngx scans, indexes, and archives documents in a community-supported document management system.
16
Also covers open source and text tools · same kind of open-source project
emoji-cheat-sheet provides a Markdown-formatted reference list of emoji.
17
Also covers open source and text tools · same kind of open-source project
Maple Mono is an open-source monospaced font with rounded corners, ligatures, and Nerd Font icons for coding.
18
Also covers open source and text tools · same kind of open-source project
WhisperX provides speech recognition with word-level timestamps and speaker diarization, according to its project description.
19
Also covers open source and text tools · same kind of open-source project
Papra provides a document management and archiving platform with self-hosting options.
20
Also covers open source and text tools · same kind of open-source project
Character Map UWP replaces the Windows Character Map and Font Viewer with a native Universal Windows Platform app.
21
Also covers open source and text tools · same kind of open-source project
keybr.com teaches touch typing and tracks typing speed through interactive practice.
22
Also covers open source and text tools · same kind of open-source project
Smassh provides a terminal-based typing test inspired by MonkeyType and described as a text-interface app.
23
Also covers open source and text tools · same kind of open-source project
MFEKglif views and edits UFO .glif glyph files as a standalone desktop tool.
24
Also covers open source and text tools · same kind of open-source project
Paperless-AI analyzes documents in Paperless-ngx using OpenAI-compatible services, Ollama, DeepSeek, or Azure APIs.
No alternatives match this filter.
Alternatives to similar tools
Paperless Ngx24 alternativesWriting Tools24 alternativesFontoGen24 alternativesWindowTextExtractor24 alternativesemoji-cheat-sheet24 alternativesMaple Font24 alternatives
What is the best alternative to Harper?
Based on features, tags and platforms, the closest alternatives to Harper are ttyper, Harper, and Languagetool.
Is there a free alternative to Harper?
Yes. url-to-md, Writing Tools, and WindowTextExtractor are free or offer a free plan.
Are there open-source alternatives to Harper?
Yes: ttyper, Languagetool, Writing Tools, and Buzz.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative