Open-source alternatives to Lemonade Desktop
Projects with an open-source licence: you can inspect, modify and self-host the code.
Same categories and verticals plus the editors' list, in an independent order. Partners and ads never change it.
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ONLYOFFICE Desktop Editors87
Ascensio System SIA (ONLYOFFICE)
Modern document editors with high compatibility
Open source 85 WindowsLinuxmacOS -
PDFsam Basic87
Sober Lemur S.r.l.s. (PDFsam)
Merge and split PDF files for free
Open source 85 WindowsLinuxmacOS -
GnuCash87
GnuCash Project
Accounting for individuals and small businesses
Open source 80 WindowsLinuxmacOS -
APM – Agent Package Manager87
Microsoft Corporation
The package manager for AI-Native Development.
Open source 77 Windows -
Intelligent Terminal87
Microsoft Corporation
Intelligent Terminal is an experimental terminal with native agent integration, forked from Windows Terminal.
Open source 77 Windows -
Kile87
KDE e.V.
LaTeX Frontend
Open source 77 Windows -
NeoChat87
KDE e.V.
Matrix Client
Open source 77 WindowsLinux -
Google Workspace CLI87
Google LLC
One command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.
Open source 60 Windows -
Magika87
Google LLC
Fast and accurate AI powered file content types detection
Open source 60 Windows -
Bot Framework Composer87
Microsoft Corporation
Bot Framework Composer is an open-source, visual authoring canvas for developers and multi-disciplinary teams to design and build conversational experiences with Language Understanding and QnA Maker, and a sophisticated composition of bot replies.
Open source 30 Windows -
Konversation82
KDE e.V.
IRC client
Open source 77 WindowsLinux -
Crow Translate80
KDE e.V.
A simple and lightweight translator that allows you to translate and speak text using Google, Yandex, Bing, LibreTranslate and Lingva.
Open source 77 WindowsLinux -
LibreOffice77
The Document Foundation
Free office suite compatible with Office files
Open source 80 WindowsLinuxmacOS -
Thunderbird77
MZLA Technologies (Thunderbird)
Free email and calendar
Open source 80 WindowsLinuxmacOSAndroid -
Freeplane75
Open source
Free mind mapping and knowledge building software
Open source 77 WindowsLinuxmacOS -
KatanA Desktop75
HiroyukiFuruno
KatanA Desktop
Open source 77 Windows -
OnionShare75
Micah Lee, et al.
OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network
Open source 77 WindowsLinux -
New API75
Quantum Nous
新一代大模型网关与 AI 资产管理系统
Open source 60 Windows -
Telegram Desktop72
Telegram FZ-LLC
Fast messaging synced across devices
Open source 88 WindowsLinuxmacOSAndroid -
Signal72
Signal Messenger LLC
Private messaging, end-to-end encrypted
Open source 85 WindowsLinuxmacOSAndroid -
Okular72
KDE e.V.
View and annotate documents
Open source 72 Linux -
Microsoft Promptflow72
Microsoft Corporation
Prompt flow is a suite of development tools designed to streamline the end-to-end development cycle of LLM-based AI applications, from ideation, prototyping, testing, evaluation to production deployment and monitoring.
Open source 38 Windows -
67
OpenAI's coding agent that runs in your terminal
Open source 82 WindowsmacOS -
a2a67
a2aproject
The official command-line interface for A2A-compatible agents.
Open source 77 Windows -
a2acli67
ghchinoy
A standalone A2A v1.0 compliant command-line client
Open source 77 Windows -
a2acli-rs67
a2aproject
Standalone A2A CLI client (Rust implementation)
Open source 77 Windows -
Time tracker
Open source 77 macOS -
Actual Budget67
Actual Budget
A local-first personal finance app
Open source 77 WindowsLinux -
AeroFTP67
axpnet
A modern, multi-protocol file manager and FTP client with integrated AI, cloud sync, and military-grade encryption.
Open source 77 Windows -
Agent67
Docker
Agent Builder and Runtime by Docker Engineering.
Open source 77 Windows