Cosmic IDE

Free plan Android

What Cosmic IDE is

Cosmic IDE is a free, open-source development environment for Android. It lets users write, build, and run applications on an Android phone, tablet, or desktop setup, with an interactive Linux terminal included. Language Server Protocol integrations provide completion, diagnostics, type inspection, and signature help. The editor supports multi-tab work, sticky scroll, a minimap, inline Find & Replace, bracket completion, and custom fonts. Listed workflows include Gradle, Cargo, CMake, Maven, npm, and custom shell projects. Supported languages include Java, Kotlin, Scala, Rust, C/C++, Go, Gleam, Python, Lua, HTML, and Markdown. Git tools handle staging, commit history, branch switching, and remote pushes or pulls. A searchable plugin marketplace covers language, formatter, project-creation, and project-action plugins. Development builds target Android 8 or newer, with packaged Linux tools built for arm64 devices.

Who it suits

It suits developers who want local coding and build tools on Android, including users working with the listed languages and build systems. The free GPLv3 license also fits people seeking open-source software.

What it does well

Free and open source under GPLv3
Runs code locally on Android devices
Supports many languages and build workflows
Includes Git interface and Linux terminal
Offers searchable installable plugins

What to know first

Android platform only
Development builds target Android 8 or newer
Packaged Linux tools are built for arm64
Plugins run as trusted application code

Plans

Plan	Billed and limits	Price
Cosmic IDE	Free and open source · GPLv3	Free

As github.com lists them, read 11 Oct 2026. The maker's own page has the final word.

Verdict

Cosmic IDE brings broad editing, build, Git, terminal, and plugin features to Android at no cost. Android version, arm64, and plugin-trust requirements are important constraints for prospective users.

Facts from Cosmic IDE's own pages

Build tools: The project lists Gradle, Cargo, CMake, Maven, npm, and custom shell-based project workflows. · github.com, 11 Oct 2026
Code intelligence: Language Server Protocol integrations provide features such as completion, diagnostics, type inspection, and signature help. · github.com, 11 Oct 2026
Downloads: The repository README links to a latest nightly APK download. · github.com, 11 Oct 2026
Editor: The editor includes multi-tab editing, sticky scroll, a code minimap, inline Find & Replace, bracket completion, and custom fonts. · github.com, 11 Oct 2026
Git: The integrated Git interface supports staging, commit history, branch switching, and pushing or pulling from remotes. · github.com, 11 Oct 2026
Language support: Listed language support includes Java, Kotlin, Scala, Rust, C/C++, Go, Gleam, Python, Lua, HTML, and Markdown. · github.com, 11 Oct 2026
Local development: The app lets users write, build, and run applications directly on an Android phone, tablet, or desktop setup. · github.com, 11 Oct 2026
Platform and architecture: The user guide says the development build targets Android 8 or newer and its packaged Linux environment and first-party toolchains are built for arm64 devices. · github.com, 11 Oct 2026
Plugins: The project provides a searchable plugin marketplace and supports installable language, formatter, project-creation, and project-action plugins. · github.com, 11 Oct 2026
Plugin trust: The guide says plugin code runs in the application process and should be treated as trusted code. · github.com, 11 Oct 2026
Purpose: Cosmic IDE is a desktop-class, general-purpose IDE and Linux development environment built for Android. · github.com, 11 Oct 2026
Security boundary: The maker says Linux processes run in an app-private glibc compatibility environment with the permissions and resource limits of an Android application, not in a VM, container, or root shell. · github.com, 11 Oct 2026
Support: The maker directs users to its Discord community to discuss development, report problems, share projects, and follow progress. · github.com, 11 Oct 2026
Terminal: Cosmic IDE includes an interactive Linux terminal with job control and the pacman package manager. · github.com, 11 Oct 2026

Where Cosmic IDE stands on Freedom251

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