Chime vs NumenText

Chime is an open source editor designed specifically for macOS, with native extensions and a minimalist interface. It supports the Language Server Protocol, and extensions can provide deeper project integration. Refactoring tools are listed. The current stable download is version 2.2.5, released 29 Nov 2023, and requires macOS 12.0 or later. Chime’s maker says source code is never captured or transmitted off the machine. The app does make outgoing requests for software updates, licensing, and crash reporting, and users can opt out. Crash reports can also be disabled; they are described as intended to improve the products and not intended to contain personally identifiable information. Chime Systems Inc. is identified as the Canadian corporation behind the product, with Matt and Tania credited as makers. Chime has a free plan listed at free and supports macOS only.

NumenText is a terminal-based IDE written in Go, with a non-modal, menu-driven editor for people who want an IDE in the terminal without learning Vim or modal editing. It has multiple tabs, familiar shortcuts, and syntax highlighting for more than 20 languages. Build and run shortcuts cover C, C++, Go, Rust, Python, JavaScript, TypeScript, Java, and Kotlin. Its LSP client provides autocomplete, go-to-definition, hover information, and diagnostics; its DAP client supports breakpoints and step-by-step debugging. A test runner handles output from go test, pytest, cargo test, Maven, and Gradle, alongside configurable formatters and linters. Other tools include an integrated PTY terminal, regex search and replace, Markdown preview, a hex viewer and editor, bookmarks, TODO/FIXME scanning, and Git diff markers. It runs on macOS and Linux and is available free under Apache License 2.0. The project describes it as a single binary without runtime dependencies; compiling from source requires Go 1.25 or later.