Browse free open source Emacs software and projects below. Use the toggles on the left to filter open source Emacs software by OS, license, language, programming language, and project status.

  • Auth0 B2B Essentials: SSO, MFA, and RBAC Built In Icon
    Auth0 B2B Essentials: SSO, MFA, and RBAC Built In

    Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.

    Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
    Sign Up Free
  • Earn up to 16% annual interest with Nexo. Icon
    Earn up to 16% annual interest with Nexo.

    Access competitive interest rates on your digital assets.

    Generate interest, borrow against your crypto, and trade a range of cryptocurrencies — all in one platform. Geographic restrictions, eligibility, and terms apply.
    Get started with Nexo.
  • 1
    Collection of Emacs Development Environment Tools
    Downloads: 3 This Week
    Last Update:
    See Project
  • 2
    python-mode is an Emacs and XEmacs major mode for editing Python source code. Please note that ALL DEVELOPMENT HAS MOVED TO LAUNCHPAD: http://launchpad.net/python-mode
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    Aquamacs Emacs is a Mac-native distribution of the powerful Emacs text editor (versions 23+), featuring Plug&Play and a great UI. Aquamacs feels just right on the Mac, interacts well with other apps, while supporting Emacs' keys and Elisp packages.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    MSLK provides the precompiled Win32 binaries of some excellent porject with a GPL or similar open source license. Here will keep updated.
    Downloads: 2 This Week
    Last Update:
    See Project
  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New to Google Cloud? Get $300 in credits to explore Compute Engine, BigQuery, Cloud Run, Gemini Enterprise Agent Platform, and more.

    Start your next project with $300 in free Google Cloud credit. Spin up VMs, run containers, query petabytes in BigQuery, or build agents with Gemini Enterprise Agent Platform. Once your credits are used, keep building with 20+ always-free tier products including Compute Engine, Cloud Storage, GKE, and Cloud Run functions. No commitment required—just sign up and start building.
    Claim $300 Free
  • 5
    Open Source software that I have developed or maintained.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    The Emacs package ANTLR-Mode provides: syntax highlighting for ANTLR grammar files, automatic indentation, menus containing rule/token definitions and supported options and various other things like running ANTLR from within Emacs.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    osi: Examples for creating software written in C++ that uses GTK+2.0 (Win32 and Linux). Build environment: GNU autotools with g++; MSVC --- boolmin: A Boolean Minimizer for Win32, Linux, UNIX --- emacs: XEmacs extensions designed to work on many machines
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    The OO-Browser is an advanced object-oriented class browser with support for browsing C, C++, Common Lisp and its Object System (CLOS), Eiffel, Java, Objective-C, Python and Smalltalk. It runs atop Emacs/XEmacs on Linux, UNIX and Windows.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    A cross platform emacs like editor and assorted tools.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Stop Cyber Threats with VM-Series Next-Gen Firewall on Azure Icon
    Stop Cyber Threats with VM-Series Next-Gen Firewall on Azure

    Native application identity and user-based security for your Azure cloud

    Gain integrated visibility across all traffic in a single pass. Deploy Palo Alto Networks VM-Series to determine application identity and content while automating security policy updates via rich APIs.
    Get a free trial
  • 10
    Alpaca is a programmable rich-text editor for authors using Mac OS X. It is built on, and programmable in, Common Lisp, and has a complete Common Lisp programming environment built into it.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    CSharp (C#) Development Environment for XEmacs / GNU Emacs
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Chinese Emacs Configuration(emacs_chinese) provide chinese configuration of gnu emacs under popular OS(windows, Linux, Freebsd,etc), also provide a lot of emacs package configurations. I just want to simplify the installation and custmaization of gnu emac
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Cleanux holds different scripts and programs for cleaning up messy code, such as XML and HTML.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    A JSP (Javaserver Page) Editing mode for XEmacs, implemented in eLisp, providing in-editor JSP compilation and jump-to-line-number debugging
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    dosbat is a major mode for editing DOS batch files in Emacs. dosbat performs syntax highlighting and will add features common to other Emacs modes such as comment region, code templates, or other things people find useful.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Distributed Erlang in Emacs Lisp. Consists of a library for Emacs/Erlang integration, and a suite of tools built atop it.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    This is an Emacs-Lisp package that enables easy editting and maintenance of DocBook XML files within GNU Emacs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    ECB is a file/code browser for Emacs. It can be used to browse any type of file and supports parsing of Java, C, C++, Elisp and some other code like perl, TeX, LaTeX. All browsing windows are within one frame and they are deletion-protected (eg by C-x 1)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    MMIX synthax highlighting mode for Emacs; based on Emacs\' nasm-mode written by Per Lundberg
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Emacs mode for the programming language Maude.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Integrated development environment implemented with Python and GTK+. Editing components are based on Vim and Emacs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    "one-click", self-contained installer that includes the emacs itself, dozens of useful extensions and configured to windows users taste.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    A comprehensive (X)Emacs interface for an inferior Common Lisp, or other Lisp based languages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Jess-mode is a collection of Emacs Lisp files designed to facilitate the development of Java Expert System Shell (JESS) applications. Currently, the package consists of a major mode for editing source and an inferior mode used to run the Jess interpreter
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    The Java Elucidator provides support for production of internal documentation following the Elucidative programming paradigm. Documentation and source code are kept seperate, but interlinked through mutual navigation in a two-frame online layout.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • Next