Self-hosted Offline-First apps

Curated catalog of free programming ebooks and resources

Replaces Paid technical book subscriptions

Ollama

Local LLM Runners

Run large language models locally with a simple CLI and API

Replaces ChatGPT, OpenAI API

State-of-the-art machine learning model library

Replaces OpenAI API

Stable Diffusion WebUI

AI Image Generation

Popular Gradio web UI for Stable Diffusion

Replaces Midjourney, DALL-E

Open WebUI

AI Chat UIs

Feature-rich self-hosted web interface for local LLMs

Replaces ChatGPT, Poe

ComfyUI

AI Image Generation

Node-based interface for Stable Diffusion image generation

Replaces Midjourney, DALL-E

Excalidraw

Developer Tools & Git

Virtual hand-drawn style whiteboard

Replaces Miro

llama.cpp

Local LLM Runners

High-performance LLM inference in plain C/C++

Replaces OpenAI API

Stirling PDF

Document Management

Powerful locally hosted web-based PDF toolkit

Replaces Adobe Acrobat, Smallpdf

LocalSend

File Sync & Storage

Share files to nearby devices without the internet

Replaces AirDrop

vLLM

Local LLM Runners

High-throughput LLM serving engine with PagedAttention

Replaces OpenAI API

Home Assistant

Home Automation

Open-source home automation that puts privacy first

Replaces SmartThings, Google Home

Practical multilingual OCR toolkit

Replaces Google Cloud Vision, AWS Textract

Syncthing

File Sync & Storage

Continuous peer-to-peer file synchronization

Replaces Dropbox, Resilio Sync

Simple terminal UI for Git commands

Replaces GitKraken, Sourcetree

Privacy-first desktop chat with local language models

Replaces ChatGPT

AppFlowy

Notes & Knowledge Base

Open-source workspace and Notion alternative

Replaces Notion, Evernote

Fast, memory-efficient LLM finetuning

Replaces OpenAI Fine-tuning

AFFiNE

Notes & Knowledge Base

Workspace for docs, whiteboards and databases

Replaces Notion, Miro

Natural-language interface that runs code on your machine

Replaces ChatGPT Code Interpreter

Parse documents into AI-ready structured formats

Replaces Adobe Acrobat

AnythingLLM

Self-Hosted AI

All-in-one desktop and server RAG application

Replaces ChatGPT, NotebookLM

Few-shot voice cloning and text-to-speech

Replaces ElevenLabs

Real-time preview Markdown editor for the desktop

Replaces Typora

Ask questions about your documents fully offline

Replaces ChatGPT

Joplin

Notes & Knowledge Base

Open-source note-taking and to-do app with sync

Replaces Evernote, OneNote

Fast C++ port of OpenAI Whisper speech recognition

Replaces Otter.ai, Google Speech-to-Text

Simplified Stable Diffusion image generation with minimal setup

Replaces Midjourney

Free AI image upscaler for the desktop

Replaces Topaz Gigapixel AI

Drop-in OpenAI-compatible API for local inference

Replaces OpenAI API, ElevenLabs

AI pair programming in your terminal

Replaces GitHub Copilot, Cursor

Gradio web UI for running and tuning local text models

Replaces ChatGPT

Run your own AI cluster across everyday devices

Replaces OpenAI API

Fast, Git-friendly open-source API client

Replaces Postman, Insomnia

SiYuan

Notes & Knowledge Base

Privacy-first personal knowledge management system

Replaces Notion, Evernote

Deep learning toolkit for local text-to-speech

Replaces ElevenLabs

Logseq

Notes & Knowledge Base

Privacy-first outliner for networked thought

Replaces Notion, Roam Research

Open-source offline ChatGPT alternative for the desktop

Replaces ChatGPT

Open-source framework for augmenting humans with AI

Replaces ChatGPT

Lightweight framework for building multi-agent systems

Replaces LangChain

Desktop and web client for many AI models

Replaces ChatGPT

IT-Tools

Developer Tools & Git

Handy online tools for developers

Replaces CyberChef

Fast HTML5 game framework for browser games you host yourself

Replaces Construct, GameMaker

Convert PDFs and documents to Markdown with AI

Replaces Adobe Acrobat

Browser-based database schema design and ER diagram tool

Replaces dbdiagram.io, Lucidchart

Opinionated RAG framework for your second brain

Replaces NotebookLM

Transformer-based text-to-audio generation model

Replaces ElevenLabs

Cross-platform file explorer powered by a virtual distributed filesystem

Replaces Google Drive, Dropbox

Self-hosted voice conversion and cloning interface

Replaces ElevenLabs voice cloning

Trilium Notes

Notes & Knowledge Base

Hierarchical note-taking for building knowledge bases

Replaces Evernote, Notion

Instant voice cloning with flexible style control

Replaces ElevenLabs

Khoj

Notes & Knowledge Base

Self-hostable AI assistant over your personal notes

Replaces Notion AI, Evernote

Fast serving framework for LLMs and vision-language models

Replaces OpenAI API

Frigate

Home Automation

Local NVR with real-time AI object detection

Replaces Google Home

Open-source AI code assistant for VS Code and JetBrains

Replaces GitHub Copilot, Cursor

CyberChef

Developer Tools & Git

The cyber Swiss Army knife for data operations

Replaces IT-Tools

Add a searchable OCR text layer to scanned PDFs

Replaces Adobe Acrobat

Polyglot runtime manager and task runner

Replaces asdf, nvm

Self-hosted AI coding assistant alternative to Copilot

Replaces GitHub Copilot

Customizable frontend for AI character roleplay

Replaces Character.AI

Anki

Learning & Courses

Powerful spaced-repetition flashcard program

Replaces Quizlet

Industry-leading face manipulation and swapping platform

Replaces DeepFaceLab

Document and ebook reader for e-ink and mobile devices

Replaces Kindle, Pocketbook reader

Open-source embedding database for AI applications

Replaces Pinecone

Karakeep

Bookmarks & Read-It-Later

Self-hosted bookmark everything app with AI tagging

Replaces Pocket, Raindrop.io

Actual Budget

Budgeting & Finance

Local-first envelope budgeting app

Replaces YNAB, Mint

KeePassXC

Password Managers

Cross-platform offline KeePass password manager

Replaces LastPass, 1Password

ArchiveBox

Bookmarks & Read-It-Later

Self-hosted web archiving from bookmarks and feeds

Replaces Pocket

Professional creative engine for Stable Diffusion

Replaces Midjourney, Adobe Firefly

Cross-platform ebook reader with annotations and sync

Replaces Calibre, Apple Books

Framework for building production-ready LLM applications

Replaces LangChain

Distribute and run LLMs with a single executable file

Replaces OpenAI API, ChatGPT

Clean RAG UI for chatting with your documents

Replaces NotebookLM

Reimplementation of Whisper for fast local transcription

Replaces Google Speech-to-Text

Test, evaluate, and red-team LLM applications

Replaces LangSmith

Remove image backgrounds automatically with AI

Replaces remove.bg

Open-source firmware for ESP-based smart devices

Replaces Tuya Cloud

Cross-platform ebook reader with sync server

Replaces Kindle, Apple Books

Fast Whisper transcription with word-level timestamps and diarization

Replaces Otter.ai, Rev

Chat with your SQL database using RAG-trained models

Replaces ThoughtSpot

Generative audio and music models from Meta

Replaces Suno, ElevenLabs

Markdown-based note-taking app for plain files

Replaces Evernote, Notion

Face recognition and facial attribute analysis framework

Replaces AWS Rekognition, Azure Face API

Describe UI with text and see it rendered live

Replaces Vercel v0

Super Productivity

Project Management & Tasks

To-do list and time tracker with focus modes

Replaces Todoist, Things

Chat with your documents fully offline

Replaces ChatGPT

Obsidian

Notes & Knowledge Base

Local-first knowledge base on a folder of Markdown files

Replaces Evernote, Notion

Browser automation via drag-and-drop visual workflows

Replaces Zapier, UiPath

Multilingual document OCR and layout analysis toolkit

Replaces Google Cloud Vision, AWS Textract

Convert ebooks into narrated audiobooks locally

Replaces Audible, Speechify

Linkwarden

Bookmarks & Read-It-Later

Collaborative bookmark manager with page archiving

Replaces Pocket, Raindrop.io

Command-line tool to download image galleries from websites

Replaces Manual downloads

Offline-first API client for REST, GraphQL and gRPC

Replaces Postman, Insomnia

Self-hosted online file converter supporting over a thousand formats

Replaces CloudConvert, Zamzar

Automatic, privacy-first time tracking for your devices

Replaces RescueTime, ManicTime

Scalable overlay networking tool from Slack

Replaces Tailscale

Cross-platform desktop email client

Replaces Outlook, Apple Mail

Open-source personal AI assistant you can self-host

Replaces Google Assistant, Alexa

Personal knowledge management on top of VS Code

Replaces Roam Research, Obsidian

Reference implementation of the InterPlanetary File System

Replaces Dropbox

Full-text search engine library written in Rust

Replaces Elasticsearch

Zigbee2MQTT

Home Automation

Bridge Zigbee devices to MQTT without vendor hubs

Replaces SmartThings

Calibre plugin suite for removing DRM from purchased ebooks

Replaces Adobe Digital Editions

MeTube

Media Servers

Web UI for downloading video from YouTube and many sites

Replaces YouTube Premium

Free and open-source geographic information system

Replaces ArcGIS

Unified framework to benchmark language models on many tasks

Replaces OpenAI Evals

Recipes for pretraining and finetuning open LLMs

Replaces OpenAI Fine-tuning

Library to extract color palettes from photos

Replaces Commercial color analysis APIs

Markdown editor for writers, researchers, and Zettelkasten users

Replaces Notion, Obsidian

Self-hostable browser version of the 2048 sliding puzzle

Replaces Mobile puzzle games

Publish a digital garden from Markdown notes

Replaces Notion, Medium

Open-source turn-based survival roguelike

Replaces NetHack

Open-source photography workflow and RAW developer

Replaces Adobe Lightroom

Optimized fork of the Stable Diffusion WebUI

Replaces Midjourney

Wallabag

Bookmarks & Read-It-Later

Self-hosted read-it-later application

Replaces Pocket, Instapaper

Markdown note-taking application built for programmers

Replaces Evernote, OneNote

All-in-one embeddings database for semantic search and RAG

Replaces Pinecone

Web interface for training Stable Diffusion models

Replaces Leonardo.ai training

High-performance library for all kinds of web maps

Replaces Google Maps JavaScript API

Run any open LLM as an OpenAI-compatible API endpoint

Replaces OpenAI API

Powerful HTTP client that lives in your terminal

Replaces Postman, Insomnia

Self-hosted real-time sync backend for Obsidian vaults

Replaces Obsidian Sync

Portable, isolated development environments with Nix

Replaces Docker Dev Environments

Open-source geospatial data visualization tool

Replaces Tableau, ArcGIS

Private chat and document Q&A with local LLMs

Replaces ChatGPT

Single-file local LLM runner for text and storytelling

Replaces ChatGPT

Open-source interactive vector map library for the web

Replaces Mapbox GL JS, Google Maps JavaScript API

ESPHome

Home Automation

Configure ESP devices with simple YAML

Replaces SmartThings

Automatic license plate recognition library

Replaces Rekor Scout, Plate Recognizer

Local DNS server that picks the fastest results

Replaces Pi-hole, dnsmasq

Mosquitto

Home Automation

Lightweight MQTT message broker

Replaces SmartThings

Self-hosted offline ChatGPT-like chatbot powered by Llama

Replaces ChatGPT

Hugging Face toolkit for production LLM serving

Replaces OpenAI API

Peer-to-peer file transfer in the browser

Replaces AirDrop, WeTransfer

Fast full-text and vector search engine for any runtime

Replaces Algolia, Elasticsearch

Realtime client-side database with relational queries

Replaces Firebase

Transfer files to and from phones by scanning a QR code

Replaces AirDrop, Snapdrop

Open-source Minecraft launcher for managing instances and modpacks

Replaces Official Minecraft Launcher, CurseForge app

Easiest one-click installer for Stable Diffusion

Replaces Midjourney, DALL-E

Self-hosted collection of handy developer and text utilities

Replaces CyberChef

Distributed bug tracker embedded directly in Git

Replaces Jira, GitHub Issues

High-performance RLHF framework for training LLMs

Replaces OpenAI Fine-tuning

Fluent Reader

RSS & News Readers

Modern desktop RSS reader with a fluent design

Replaces Feedly

Peer-to-peer messaging app that works offline

Replaces WhatsApp, Signal

Small full-text search library for the browser

Replaces Algolia, Elasticsearch

Markdown note-taking app with client-side encryption

Replaces Evernote, Simplenote

Wealthfolio

Budgeting & Finance

Privacy-focused desktop investment portfolio tracker

Replaces Personal Capital, Sharesight

Compact, high-quality open text-to-speech model

Replaces ElevenLabs, OpenAI TTS

Anytype

Notes & Knowledge Base

Local-first encrypted knowledge workspace

Replaces Notion

Privacy-focused, searchable email client

Replaces Gmail

TiddlyWiki

Wikis & Documentation

A non-linear personal web notebook in a single file

Replaces Notion, OneNote

AI-powered local-first personal knowledge management app

Replaces Evernote, Notion

Sync your browser bookmarks across browsers and devices

Replaces Raindrop.io, Chrome Sync

Self-hosted YouTube media server with metadata and search

Replaces YouTube

Command-line note-taking, bookmarking, and archiving tool

Replaces Evernote, Notion

draw.io

Developer Tools & Git

Self-hostable diagramming application

Replaces Lucidchart, Visio

Browser extension to use local AI models on the web

Replaces ChatGPT

High-performance routing engine for OpenStreetMap

Replaces Google Directions API

Open-source RAG chatbot powered by Weaviate

Replaces NotebookLM

High-quality multilingual text-to-speech library

Replaces ElevenLabs, Amazon Polly

Free space exploration and trading game

Replaces Escape Velocity

Hierarchical note-taking and personal knowledge wiki

Replaces Notion, Confluence

Material design KeePass client for Android

Replaces 1Password, LastPass

Advanced all-in-one generative image and video studio

Replaces Midjourney

Desktop CMS for building static blogs and sites

Replaces WordPress, Squarespace

Modern command-line email client written in Rust

Replaces Mutt, Outlook

evcc

Home Automation

Solar-aware electric vehicle charging controller

Replaces SmartThings

Soft Serve

Git Hosting & Forges

Self-hostable Git server for the command line

Replaces GitHub

Team-oriented password manager compatible with pass

Replaces 1Password, LastPass

Stable Diffusion inference in plain C/C++

Replaces Midjourney

Run and fine-tune LLMs locally on Apple Silicon with MLX

Replaces OpenAI API

Anonymous file sharing over the Tor network

Replaces WeTransfer, Dropbox

Free and open-source code snippets manager

Replaces GitHub Gist, SnippetsLab

Open-source factory-building puzzle game

Replaces Factorio

JavaScript library for rendering EPUB books in the browser

Multi-platform EPUB ebook editor

Replaces Adobe InDesign EPUB export

Visual novel engine for creating story-based games

Replaces TyranoBuilder

GraphHopper

Maps & GIS

Fast and flexible open-source routing engine

Replaces Google Directions API

Global name system for secure file sharing

Replaces Dropbox

Open-source networked note-taking and knowledge graph

Replaces Roam Research, Obsidian

Open-source routing engine with multimodal support

Replaces Google Directions API

Libation

E-books & Media Library

Audiobook library manager and Audible backup tool

Replaces Audible app

Plain-text and Markdown notes editor for synced folders

Replaces Google Keep, Evernote

Hackable note-taking for the self-hosted web

Replaces Notion, Obsidian

.NET wrapper for OpenCV computer vision

Replaces Commercial vision SDKs

Command-line task management done right

Replaces Todoist, Things

Stateless password manager that derives passwords on demand

Replaces 1Password, LastPass

Plain-text accounting toolkit and CLI

Replaces QuickBooks, Quicken

Elk

Social Networks

Progressive web client for Mastodon and Pleroma

Replaces Twitter app

Plain-text personal knowledge management for Emacs

Replaces Roam Research, Obsidian

Double-entry bookkeeping in plain text with a query language

Replaces QuickBooks, Xero

Native Ollama client for iOS and macOS

Replaces ChatGPT

Desktop tool to merge, split, and rearrange PDF pages

Replaces Adobe Acrobat, PDFsam

Organizes Google Photos Takeout exports into a clean library

Replaces Google Photos

Plain-text note taking with Markdown and Nextcloud sync

Replaces Evernote, OneNote

Desktop client for Jellyfin with native playback

Replaces Plex Desktop

Manage GPU clusters for running AI models

Replaces OpenAI API

Self-hosted LLaMA chat UI with no API keys needed

Replaces ChatGPT

Piper

Home Automation

Fast, local neural text-to-speech for voice assistants

Replaces Amazon Polly, Google TTS

Converts PDF documents to HTML while preserving layout

Replaces Commercial PDF converters