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OpenSourceAlternatives

Collection

Self-hosted

Projects you can run entirely on your own infrastructure.

Wallabag

WallabagOpen

Self-hosted read-it-later app that archives articles for offline reading

Stars13K
Commitjust now
LicenseMIT

Wallabag is a self-hosted read-it-later app that extracts article text and stores it in a personal archive with tags and search.

Alternative toFaved
OpenReplay

OpenReplay

Self-hosted session replay and product analytics for debugging UX issues

Stars13K
Commitjust now
LicenseAGPL-3.0-only (core default; MIT parts; proprietary ee/)

OpenReplay is a self-hosted session replay and product analytics platform that records user sessions with DevTools data to reproduce issues.

Alternative toHighlight
Convex

Convex

Reactive backend with database, functions, and realtime sync

Stars12.6K
Commitjust now
LicenseFSL-1.1-Apache-2.0

Convex is a backend platform where the database, serverless functions, scheduling, and file storage arrive as one TypeScript-native system.

Alternative toFirebaseSupabase
Planka

Planka

Self-hosted Kanban boards for teams with real-time sync

Stars12.6K
Commitjust now
LicensePLANKA Community License v1.1

Planka is a self-hosted Kanban board for teams with real-time sync, rich cards, and broad notifications, free as a Community edition alongside paid Pro plans.

Alternative toTrello
Nango

Nango

Source-available platform for product integrations across 1,600+ APIs

Stars12.6K
Commitjust now
LicenseElastic-2.0

Nango is a source-available integration platform that gives a SaaS product or AI agent production-ready connections to external APIs through one integration: managed OAuth, over 1,600 prebuilt integrations, and unified APIs across 12 categories.

Alternative toActivePieces
Inbox Zero

Inbox ZeroAI

Open-source AI email assistant that triages Gmail and Outlook

Stars12.4K
Commitjust now
LicenseAGPL-3.0 with Inbox Zero Inc. commercial-use terms

Inbox Zero is an open-source AI email assistant for Gmail and Outlook that triages mail, drafts replies, and automates follow-ups, available as paid hosted plans or self-hosted.

Alternative toGmail
Encore

EncoreAIOpen

Open-source backend framework that provisions its own cloud infrastructure

Stars12.4K
Commitjust now
LicenseMPL-2.0

Encore is an open-source framework for type-safe backends in Go and TypeScript, provisioning infrastructure from application code.

Alternative toSupabaseConvex
Keep

KeepAIOpen

Open-source AIOps for alert correlation, deduplication, and automated remediation

Stars12.4K
Commitjust now
LicenseMIT

Keep is an open-source AIOps platform that aggregates alerts from 90+ providers, deduplicates them with AI, and automates remediation via YAML or visual workflows.

Alternative toGrafana
Gatus

GatusOpen

Self-hosted endpoint monitoring with status pages

Stars12.3K
Commitjust now
LicenseApache-2.0

Gatus is a self-hosted monitor that probes HTTP endpoints, DNS records, and other services on a schedule and publishes the results on a status page.

Alternative toUptime Kuma
Formbricks

FormbricksOpen

Surveys and in-product research on your own infrastructure

Stars11.3K
Commit1d ago
LicenseAGPL-3.0

Formbricks covers both link surveys and in-product micro-surveys triggered by user behaviour, which is the combination most research tooling splits across two paid products.

Alternative toTypeform
Manticore Search

Manticore SearchOpen

Open-source database for full-text, vector, and hybrid search

Stars12K
Commitjust now
LicenseGPL-3.0

Manticore Search is an open-source database engine for full-text, vector, and hybrid search with real-time indexing and a SQL-first interface.

Grist

GristOpen

Spreadsheet UI over a relational database you can self-host

Stars11.9K
Commitjust now
LicenseApache-2.0

Grist is a spreadsheet with a relational database underneath: columns link records across tables, and formulas run in Python. Teams browse the same data as grids, cards, calendars, or charts.

Alternative toAirtable
FluidVoice

FluidVoiceAIOpen

Free open-source macOS dictation with on-device AI cleanup

Stars11.9K
Commitjust now
LicenseGPL-3.0

FluidVoice is a free macOS dictation app that transcribes speech on the machine and types polished text into any app, positioned as a local alternative to Wispr Flow.

Alternative toVoiceInkWispr Flow
Scira

SciraAIOpen

Self-hosted AI search engine with cited answers and deep research modes

Stars11.9K
Commit19d ago
LicenseAGPL-3.0

Scira is an open-source AI search engine that plans multi-step searches and answers with cited sources across web, Reddit, X, and video.

Alternative toMorphic
Great Expectations

Great ExpectationsOpen

Open-source data quality tests and docs for pipelines

Stars11.9K
Commitjust now
LicenseApache-2.0

Great Expectations is an Apache-2.0 licensed Python framework for testing data quality with Expectations, Checkpoints, and auto-generated Data Docs.

Alternative toElementary Data
Leantime

Leantime

Goals-focused open-source project management for non-project managers

Stars11.8K
Commitjust now
LicenseAGPL-3.0-only

Leantime is an AGPL-licensed, goals-focused project management system for non-project managers, connecting tasks to goals through kanban, calendar, table, and Gantt views with self-hosting or managed Pro hosting.

Alternative toTrelloAsanaJira
Quickwit

QuickwitOpen

Cloud-native search engine for logs on object storage

Stars11.7K
Commitjust now
LicenseApache-2.0

Quickwit is an open-source, cloud-native search engine built for log management and analytics directly on object storage, written in Rust on top of Tantivy.

Arize Phoenix

Arize PhoenixAI

Open-source tracing, evals, and prompt tools for LLM apps

Stars11.7K
Commitjust now
LicenseElastic-2.0

Arize Phoenix is a self-hosted observability platform for LLM apps with tracing, evaluations, datasets, and a prompt playground.

CocoIndex

CocoIndexAIOpen

Incremental data pipelines that keep AI indexes and RAG context fresh

Stars11.6K
Commitjust now
LicenseApache-2.0

CocoIndex is a Python framework for building incremental data pipelines that keep search indexes and RAG context in sync with changing sources.

Alternative toDifyLangflow
PairDrop

PairDropOpen

Share files between devices in your browser.

Stars11.6K
Commit4mo ago
LicenseGPL-3.0

PairDrop is a free, open-source web app that sends files and text directly between devices over the local network, with no account or setup needed.

Alternative toLocalSend
Linkding

LinkdingOpen

Self-hosted minimalist bookmark manager with archiving

Stars11.3K
Commitjust now
LicenseMIT

Linkding is a self-hosted, open-source bookmark manager that saves links with automatic metadata, organizes them with tags, and archives copies.

Alternative toLinkwarden
Kutt

KuttOpen

Self-hosted open-source URL shortener with custom domains and link analytics

Stars11.1K
Commitjust now
LicenseMIT

Kutt is a self-hosted, MIT-licensed URL shortener with custom-domain support, per-link passwords and expiry, private click statistics, and a REST API.

Alternative toLua.sh
Blinko

BlinkoOpen

Self-hosted notes that capture fast and grow with AI

Stars11.1K
Commit4d ago
LicenseGPL-3.0

Blinko is a self-hosted note workspace built around fast capture: short entries called Blinks can later grow into full notes, get polished or expanded with a connected AI model, and be published to a personal blog.

Alternative toNotion
CRM

CRMAIOpen

Self-hosted CRM where research agents maintain the pipeline

Stars11K
Commitjust now
LicenseMIT

CRM is a self-hosted, open-source CRM where background research agents maintain company, contact, and deal records for sales teams.

Alternative toHubSpotSalesforce