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OpenSourceAlternatives

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All software

871 products in total: 615 OSI-approved open source, 19 source-available, 140 unresolved-license Projects, and 97 proprietary. Structural source=open URLs remain supported; use the license-policy filter for the canonical distinction.

Uptime Kuma

Uptime KumaOpen

Self-hosted uptime monitoring with a clean status page

Stars76.4K
Commit4d ago
LicenseMIT

Uptime Kuma monitors HTTP endpoints, TCP ports, containers, and certificates, and notifies through almost a hundred channels. Setup is a container and a few minutes.

Alternative toDatadog
TradingView

TradingView

Charting platform and trading community for global markets

CompanyTradingView, Inc.
Since2011
PricingFreemium

TradingView is a web-based charting platform and trading community covering stocks, crypto, forex, futures, and bonds, used by 100 million traders and investors.

Alternative toFincept Terminal
Elasticsearch

Elasticsearch

Distributed search and analytics engine with vector search

Stars78.2K
Commitjust now
LicenseAGPL-3.0-only

Elasticsearch is a distributed search and analytics engine for near-real-time full-text, vector, hybrid, and geospatial search.

Alternative toMeilisearchAlgolia
Hoppscotch

HoppscotchOpen

API client that runs in the browser and stays fast

Stars74.2K
Commit1d ago
LicenseMIT

Hoppscotch is an API client that opens in a tab. Requests, collections, environments, and history are all there, and it starts in the time a desktop client takes to check for updates.

Alternative toPostman
GPT4All

GPT4AllAIOpen

Private desktop chatbot that runs open LLMs fully on-device

Stars77.4K
Commit1y ago
LicenseMIT

GPT4All is a free desktop app from Nomic that runs open language models entirely on your own computer, with no cloud calls.

Alternative toOllama
OBS Studio

OBS Studio

Free open-source software for live streaming and screen recording

Stars77.3K
Commitjust now
LicenseGPL-2.0

OBS Studio is free and open-source software for live streaming and video recording, mixing scenes and sources on Windows, Mac, and Linux.

Alternative toKdenlive
AppFlowy

AppFlowyAIOpen

Open-source AI workspace for wikis, docs, and kanban projects

Stars77.1K
Commitjust now
LicenseAGPL-3.0

AppFlowy is an open-source workspace for wikis, docs, and kanban project boards. It presents itself as a self-hostable alternative to Notion and imports Notion workspaces from CSV files.

Alternative toNotion
Fivetran

Fivetran

Managed connectors that move application and database data into analytics systems

CompanyFivetran
Since2012
PricingFree

Fivetran provides managed data connectors for moving application and database records into warehouses and other analytical destinations.

Statuspage

Statuspage

Hosted status pages for real-time incident communication

CompanyAtlassian
Since2013
PricingFreemium

Statuspage is Atlassian's hosted status page service for sharing real-time service status, incidents, and maintenance with customers.

Alternative toCachetUptime Kuma
Apache Superset

Apache SupersetOpen

Self-hosted BI platform for exploring data and building dashboards

Stars75K
Commitjust now
LicenseApache-2.0

Apache Superset is a self-hosted business intelligence platform for exploring databases and building interactive dashboards with a visual query builder and SQL Lab.

Alternative toGrafana
Syncthing

SyncthingOpen

Continuous file sync between your own devices only

Stars72.1K
Commit3d ago
LicenseMPL-2.0

Syncthing synchronises folders directly between devices with no server in the middle. There is no account, no storage quota, and no third party holding the data, because the data never leaves the set of machines you nominate.

Alternative toDropbox
Amplitude

Amplitude

Product analytics with experimentation attached

CompanyAmplitude
Since2014
PricingFreemium

Amplitude covers similar ground to Mixpanel with a stronger pull towards experimentation and governance. Event taxonomies can be enforced, which matters once more than one team is instrumenting the same product.

OpenBB Terminal

OpenBB TerminalAIOpen

Open-source investment research terminal with Python-first market data

Stars73.9K
Commitjust now
LicenseApache-2.0

OpenBB Terminal is an open-source financial terminal for market data, investment research, and analytics, now developed as the Open Data Platform.

Alternative toFincept Terminal
Grafana

GrafanaOpen

Dashboards over whatever data you already store

Stars71.2K
Commit8h ago
LicenseAGPL-3.0

Grafana is the visualisation layer that sits above other systems rather than a monitoring stack of its own. It queries Prometheus, Loki, PostgreSQL, ClickHouse, and dozens of other sources, and puts them on the same dashboard.

Alternative toDatadog
AnyDesk

AnyDesk

Remote desktop access with very low latency

CompanyAnyDesk Software
Since2014
PricingFreemium

AnyDesk built its own codec for screen transport, and it shows: sessions over ordinary connections feel closer to local than most competitors manage. For support work where someone is watching you move their cursor, that latency difference matters.

Strapi

Strapi

Open-source headless CMS turning content models into REST and GraphQL APIs.

Stars73.3K
Commitjust now
LicenseMIT (Community Edition); proprietary Enterprise Edition for ee/ components

Strapi is a self-hosted, open-source headless CMS built with JavaScript and TypeScript that turns content models designed in a no-code builder into REST and GraphQL APIs behind a customizable admin panel.

Alternative toPayloadKeystoneJS
YouTube Music

YouTube Music

Streaming backed by YouTube's catalogue of everything

CompanyGoogle
Since2015
PricingFreemium

YouTube Music reaches material no licensed catalogue contains: live sets, remixes, covers, and regional uploads that never had a commercial release. For anyone whose listening goes past the mainstream, that coverage is decisive.

Alternative toSpotify
Google Assistant

Google Assistant

Voice control for smart home devices and routines

CompanyGoogle
Since2016
PricingFree

Google Assistant is the voice layer most smart home hardware supports first. Routines, broadcast messages, and device groups work across a very wide range of manufacturers with minimal setup.

Mole

MoleOpen

Free open-source Mac cleaner with app manager and monitor

Stars69.9K
Commitjust now
LicenseGPL-3.0

Mole is a free, open-source cleaner for the Mac that pairs a 162-command terminal toolkit with a native app for junk cleanup, complete uninstallation, and system monitoring. It runs locally on macOS 13 and later, collects no tracking data, and has no account or paid tier.

Alternative toCCleanerBleachBit
Cline

ClineAIOpen

Open-source AI coding agent for VS Code, JetBrains, and the terminal

Stars69.8K
Commitjust now
LicenseApache-2.0

Cline is an open-source AI coding agent that reads, edits, and runs code inside VS Code, JetBrains IDEs, and the terminal.

Mem0

Mem0AIOpen

Open-source memory layer for AI agents and apps

Stars67K
Commitjust now
LicenseApache-2.0

Mem0 is an open-source memory layer that gives AI agents and apps persistent memory across sessions, with self-hosted and managed platform options.

Alternative toLetta
AnythingLLM

AnythingLLMAIOpen

Self-hosted AI workspace for chatting with documents and running agents

Stars66.7K
Commitjust now
LicenseMIT

AnythingLLM is a self-hostable AI workspace for chatting with documents, running AI agents, and switching between local and hosted language models.

Alternative toOpen WebUI
Prometheus

PrometheusOpen

Open-source metrics monitoring with PromQL queries and alerting

Stars66.5K
Commitjust now
LicenseApache-2.0

Prometheus is an open-source monitoring system that scrapes metrics into a dimensional time-series database and evaluates PromQL rules for alerting.

Alternative toNagiosGrafana
Ladybird

Ladybird

Truly independent web browser with an engine built from scratch

Stars66.5K
Commitjust now
LicenseBSD-2-Clause

Ladybird is building a new web browser engine from scratch, backed by a nonprofit and free of user monetization such as default search deals.

Alternative toBraveChrome