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MinIO is a high-performance, S3-compatible object storage server for building private cloud storage, data lakes, and scalable storage backends for applications.

AGPL-3.0Slowing down

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Amazon S3+7

Open-source, self-hostable PaaS to deploy websites, full-stack apps, databases, and Docker services on your own servers with Git-based CI/CD workflows.

Apache-2.0Actively maintained

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Heroku+12

Open-source Go backend providing embedded SQLite, realtime (SSE) subscriptions, auth (JWT/OAuth2), file storage, admin UI and REST-style APIs for web and mobile apps.

MITActively maintained

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PocketBase Cloud+17

Pi-hole is a network-wide DNS sinkhole that blocks ads and trackers for all devices on your network, with a web dashboard, query logs, and optional DHCP server.

Actively maintained

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AdGuard+7

rclone is a CLI tool to sync, copy, mount, and serve files across cloud storage providers and standard protocols like S3, WebDAV, FTP, and SFTP.

MITActively maintained

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GoodSync+8

Penpot is an open-source UI design and prototyping platform with real-time collaboration, design systems support, and developer-friendly inspect mode with CSS/SVG/HTML output.

MPL-2.0Actively maintained

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Figma+6

Meilisearch is a lightning-fast search engine API for apps and websites, offering typo-tolerant full-text search plus vector and AI-ready hybrid retrieval.

Actively maintained

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Algolia+16

Open-source alternative to Jira/Linear for tasks, cycles, docs and analytics; offers cloud and self-hosted deployments.

AGPL-3.0Actively maintained

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Atlassian Jira+18

Gitea is a lightweight, self-hosted Git service with repositories, pull requests, issues, wiki, packages, and built-in CI/CD via Actions and runners.

Appwrite is an open-source backend-as-a-service for building web and mobile apps with authentication, databases, storage, functions, realtime APIs, and messaging.

BSD-3-ClauseActively maintained

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Firebase+4

Jellyfin is a free, self-hosted media server to organize, manage, and stream movies, TV, music, and photos to web, mobile, and TV clients.

GPL-2.0Actively maintained

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Plex+19

Joplin is an offline-first, privacy-focused note and to-do app with end-to-end encryption, Markdown support, web clipping, and sync across desktop and mobile.

Actively maintained

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Evernote+19

Twenty is an open-source CRM alternative to Salesforce with customizable data models, views, permissions, and workflow automation for sales and customer management.

Actively maintained

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Salesforce Sales Cloud+18

Ghost is an open-source publishing platform for blogs and websites with built-in newsletters, membership management, and paid subscriptions.

MITActively maintained

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Ghost(Pro)+13

Odoo is a modular suite of web-based business apps, providing an open-source ERP with CRM, accounting, inventory, HR, eCommerce, website, and more.

Actively maintained

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Microsoft Dynamics 365+19

Mastodon is an open-source, ActivityPub-compatible social network server for microblogging, offering federated timelines, moderation tools, media support, and APIs.

AGPL-3.0Actively maintained

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Threads+7

AList is a multi-storage file listing and sharing server with WebDAV access, file previews, protected routes, uploads, and cross-storage file operations.

AGPL-3.0Actively maintained

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Dropbox+19

Huginn is an open-source automation platform that runs agents to monitor web data, process events, and trigger actions — self-hosted and extensible.

MITActively maintained

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IFTTT+17

Open-source OLAP database designed for real-time analytics at scale.

Apache-2.0Actively maintained

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ClickHouse Cloud+11

Metabase is an open-source BI and embedded analytics tool for querying databases, building dashboards, and sharing reports with permissions, alerts, and embedding.

Actively maintained

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Metabase Cloud+19

Run LLMs, image, and audio models locally with an OpenAI-compatible API, optional GPU acceleration, and a built-in web UI for managing and testing models.

MITActively maintained

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OpenAI API+19

Self-hostable scheduling software for appointments and bookings with customizable booking pages, availability rules, reminders, and integrations for teams and developers.

MITActively maintained

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Calendly+12

Lightweight, open source self-hosted Git service designed for easy installation across platforms.

Discourse is open-source forum software for community discussion, support, and knowledge sharing, with moderation tools, customization, and built-in chat.

GPL-2.0Actively maintained

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Flarum Cloud+11

Apache Airflow is a workflow orchestration platform to define, schedule, and monitor data pipelines and other batch jobs using Python-defined DAGs.

Apache-2.0Actively maintained

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Astronomer+5

Copyparty is a portable file server with a web UI, accelerated resumable uploads, deduplication, indexing, and support for WebDAV, SFTP, FTP and more.

MITActively maintained

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WeTransfer+19

Rocket.Chat is an open-source communications platform for secure team messaging, channels, DMs, voice/video, integrations, and customer omnichannel support.

Actively maintained

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Rocket.Chat Cloud+19

Open-source, block-oriented personal knowledge manager with Markdown WYSIWYG, block-level two-way links, encrypted sync, Docker deployment and AI integrations.

AGPL-3.0Actively maintained

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SiYuan+18

RSSHub generates RSS/Atom/JSON feeds for thousands of sites and services that don’t provide feeds, exposing them as subscribable endpoints you can self-host.

AGPL-3.0Actively maintained

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RSS.app+1

Logseq is a privacy-first, open-source knowledge management app for networked notes, tasks, and collaboration using local Markdown or Org-mode graphs.

AGPL-3.0Actively maintained

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Roam Research+19