Harper checks grammar and spelling offline and is written in Rust, according to its repository.
Open source
24 alternativesWriting Tools
WritingTools is a system-wide grammar assistant, according to its repository description.
About Writing Tools
Writing Tools is an application for Windows, Linux, and macOS that works system-wide with a cloud-based or local language model. It fixes grammar, optimizes text from custom instructions, summarizes webpages, documents, emails, and YouTube videos, and provides chat. It supports the free Gemini API, OpenAI-compatible cloud services, and local models through Ollama, llama.cpp, KoboldCPP, TabbyAPI, and vLLM.
Key features
- Proofread, rewrite and apply custom instructions to selected text
- Friendly, Professional and Concise tone options
- Summaries as Summary, Key Points or Table with Markdown rendering
- Chat with a summary or start a chat with no text selected
- Custom buttons for repeated tasks
- Custom hotkey, themes and dark mode support
Writing Tools at a glance
- Category
- Online Tools › Text Tools
- Type
- App
- Pricing
- Free
- Platforms
- Linux, macOS, Windows
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Writing Tools alternatives
Tools and sites you could use instead, ranked by how closely they match.
FontEdit imports, edits, and exports fonts as byte arrays for embedded systems.
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ttyper runs a Rust-based typing test in the terminal, according to its repository description.
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Font Manager is a font-management application for GTK desktop environments, according to its repository page.
Open source
24 alternatives
WindowTextExtractor retrieves text from operating-system windows, including controls and password fields, according to its project page.
FreeOpen source
24 alternatives
Fira Code is a monospaced font with programming ligatures, according to its repository description.
Open source
24 alternativesPopular in Text Tools
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