Self-hosted projects using PostgreSQL

Self-hostable personal AI 'second brain' for chat, semantic search, custom agents, automations and integration with local or cloud LLMs.

AGPL-3.0Actively maintained

Alternative to:

Google NotebookLM+16

Nextcloud is an open-source content collaboration platform providing file sync & share, groupware (calendar, contacts, mail), real-time office editing, chat and video conferencing.

AGPL-3.0Actively maintained

Alternative to:

Google Drive+19

Chatwoot is an open-source customer support platform with a shared inbox for live chat, email, and messaging channels, plus automation, reporting, and a help center.

Actively maintained

Alternative to:

Intercom+19

Open-source, API-first commerce backend with modular architecture for custom storefronts and marketplaces.

Actively maintained

Alternative to:

Medusa Cloud+15

Open-source social media scheduling tool with analytics, team collaboration, automation API, and AI-assisted content creation for multi-channel publishing.

AGPL-3.0Actively maintained

Alternative to:

Buffer+14

SeaweedFS is a fast distributed storage system providing blob, file, and S3-compatible object storage with optional filer, replication, and erasure coding.

Apache-2.0Actively maintained

Alternative to:

Amazon S3+7

Langfuse is an open-source LLM engineering platform for tracing, metrics, evaluations, datasets, and prompt management to debug and improve AI applications.

Actively maintained

Alternative to:

LangSmith+7

Hasura is an open-source GraphQL engine that instantly exposes realtime, secure GraphQL APIs over databases and other data sources with fine-grained access control.

Apache-2.0Actively maintained

Alternative to:

Hasura+16

Infisical is an open-source platform to manage and deliver app secrets, certificates (PKI), SSH credentials, and encryption keys across teams and infrastructure.

Actively maintained

Alternative to:

HashiCorp Vault+9

A modern, extensible Node.js wiki with Markdown editing, powerful admin tools, multiple auth options, and support for popular SQL databases.

AGPL-3.0Actively maintained

Alternative to:

Atlassian Confluence+19

Open-source, lightweight web analytics with a simple dashboard, privacy-first metrics, and goal/conversion tracking as an alternative to Google Analytics.

AGPL-3.0Actively maintained

Alternative to:

Google Analytics+13

Budibase is an open-source low-code platform to build internal tools, portals, forms, and approval workflows with integrations to databases and APIs.

Actively maintained

Alternative to:

Microsoft Power Apps+18

Declarative, API-first orchestration platform for scheduled and event-driven workflows with a plugin ecosystem, UI editor, CI/CD and Terraform integration.

Apache-2.0Actively maintained

Alternative to:

Dagster Cloud+16

Open-source team chat server with topic-based threading for focused, asynchronous, and real-time communication in distributed teams.

Apache-2.0Actively maintained

Alternative to:

Zulip Cloud+19

Open-source IdP delivering SSO, OAuth2/OIDC, SAML2, LDAP, RADIUS, MFA, WebAuthn, conditional access and application-proxy capabilities for self-hosted deployments.

Actively maintained

Alternative to:

Okta+19

Monica is an open-source personal CRM to manage contacts, track interactions, set reminders, and keep a private diary about your relationships.

AGPL-3.0Slowing down

Alternative to:

Monica CRM (Hosted)+19

Open source, GraphQL-native headless ecommerce platform with a composable API for products, checkout, payments, and multichannel order management.

BSD-3-ClauseActively maintained

Alternative to:

Saleor Cloud+6

Open-source, self-hosted platform to manage subscribers, run campaigns, and track analytics. Single Go binary with a Vue UI.

AGPL-3.0Actively maintained

Alternative to:

Mailchimp+19

Teable is an Airtable alternative for building database apps with a spreadsheet UI, multiple views, real-time collaboration, and a plugin system, backed by PostgreSQL.

Actively maintained

Alternative to:

Airtable+11

Wagtail is an open-source CMS built on Django and Python, offering an editor-friendly admin UI, flexible content modeling with StreamField, and optional headless APIs.

BSD-3-ClauseActively maintained

Alternative to:

Adobe Experience Manager+19

Self-hosted collaborative bookmark manager with reader mode, highlights, tagging, full-text search, and automatic webpage preservation as screenshots and PDFs.

AGPL-3.0Actively maintained

Alternative to:

Linkwarden Cloud+10

Open-source, decentralized messaging network built on a Haskell core with Kotlin Multiplatform and native iOS clients; end-to-end encrypted messaging without user IDs.

AGPL-3.0Actively maintained

Alternative to:

Signal+11

Etherpad is a web-based real-time collaborative editor with chat, rich-text formatting, and a plugin framework for customization and integrations.

Apache-2.0Actively maintained

Alternative to:

Etherpad Cloud+9

Self-hostable DocuSign alternative to create fillable forms and collect legally binding eSignatures with API and webhooks.

AGPL-3.0Actively maintained

Alternative to:

Docusign+13

Windmill is an open-source developer platform to turn scripts into webhooks, cron jobs, workflows, and internal apps with auto-generated and low-code UIs.

Actively maintained

Alternative to:

Windmill+12

Open-source collaborative documentation and wiki platform with real-time editing, offline sync, export features and flexible self-hosting options.

MITActively maintained

Alternative to:

Notion+17

Lightweight, extensible forum platform built in PHP with a Mithril.js frontend, supporting MySQL/MariaDB/PostgreSQL/SQLite and an active extensions ecosystem.

MITActively maintained

Alternative to:

Flarum Cloud+8

OpenProject is an open source project management platform for planning, tracking, and collaborating on work with Gantt charts, agile boards, roadmaps, and time reporting.

GPL-3.0Actively maintained

Alternative to:

OpenProject (Cloud)+19

FreshRSS is a fast, multi-user RSS/Atom feed aggregator with tagging, search, OPML import/export, WebSub push updates, and optional web scraping for sites without feeds.

AGPL-3.0Actively maintained

Alternative to:

Feedly+12

PeerTube is a decentralized, ActivityPub-federated video hosting platform with live streaming, P2P WebRTC delivery, and customizable community-run instances.

AGPL-3.0Actively maintained

Alternative to:

YouTube+8