Self-hosted projects using Java

Open-source PDF platform to edit, convert, OCR, sign, redact, and automate PDF workflows via a web UI and REST API.

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Adobe Acrobat+19

Build and deploy internal tools, admin panels, and dashboards with a low-code UI builder that connects to databases and APIs and supports JavaScript logic and Git workflo...

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Retool+14

Halo is an open-source CMS and site builder with themes, plugins, an editor, backups, REST APIs, and optional AI extensions for content and knowledge sites.

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WordPress.com+18

Keycloak is an open-source IAM server providing single sign-on, user federation, and centralized authentication and authorization using OIDC, OAuth 2.0, and SAML.

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Okta+19

Self-hostable WebRTC video conferencing with chat, screen sharing, moderation tools, and SDKs for embedding meetings into web and mobile apps.

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Zoom+12

Mindustry is an automation-focused sandbox tower defense RTS with resource processing, base building, and multiplayer play on dedicated servers.

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

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Dagster Cloud+16

Open-source IoT platform for device management, telemetry collection, rule-based processing, alarms, and real-time dashboards using standard IoT protocols.

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ThingsBoard Cloud+10

OneDev is a self-hosted DevOps platform combining Git hosting, CI/CD pipelines, Kanban-style issue tracking, code review, and built-in package registries.

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GitLab+15

Open-source proofreading and writing assistant that checks spelling, grammar, punctuation, and style across 30+ languages, with an HTTP API for integrations.

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Grammarly+4

Apache Druid is a real-time analytics (OLAP) database delivering sub-second queries on streaming and batch data with high concurrency at scale.

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Imply+10

Desktop application that centralizes SSH, containers, VMs, Kubernetes and remote file management; integrates local CLI tools and syncs connection data via git.

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MobaXterm+6

OpenSearch is an Apache 2.0 open source distributed search and analytics engine for indexing, querying, and analyzing large-scale data with REST APIs.

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Amazon OpenSearch Service+19

Self-hosted, multi-user ebook library with smart shelves, automatic metadata, OPDS, device sync (Kobo/KOReader), BookDrop imports, and an in-browser reader.

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BookFusion+10

SonarQube is a continuous inspection platform for automated static code analysis, quality gates, and security findings across many programming languages in CI/CD workflow...

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SonarCloud+9

GitBucket is a self-hosted Git web platform for managing Git repositories with issues, pull requests, wikis, Git LFS support, and a plugin system.

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GitHub+6

BigBlueButton is an open-source virtual classroom and web conferencing platform with real-time audio/video, screen sharing, whiteboards, breakout rooms, polling, and reco...

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Zoom+14

Graylog is an open source platform for collecting, indexing, searching, and alerting on logs and machine data from many sources in one place.

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Graylog Cloud+11

Open-source GPS tracking platform supporting 200+ device protocols, real-time tracking, alerts, reports, REST API and web/mobile apps for fleet and asset monitoring.

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Wialon+8

GraphHopper is an open source routing engine for OpenStreetMap, providing fast route calculation, turn-by-turn instructions, isochrones, and map matching via Java or HTTP...

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Mapbox+1

Open-source runbook automation platform to schedule jobs, orchestrate workflows, and provide controlled self-service operations via web UI and API.

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PagerDuty Rundeck+11

Open-source, modular billing and payments platform for subscriptions with real-time analytics, APIs, and plugin extensibility.

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Zuora+14

RStudio Server provides the RStudio IDE in a web browser for multi-user R and Python development, including editing, plotting, debugging, and project management.

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JetBrains DataSpell+16

CloudBeaver is an open-source, web-based database manager for teams, offering a browser SQL editor, data browsing/editing, and administration for many databases.

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DBeaver Cloud+11

YaCy is a self-hostable search engine with crawler and indexing, supporting decentralized P2P search, standalone search portals, and intranet/file search.

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Swiftype+13

Open-source browser-based gateway enabling VNC, RDP, and SSH access to remote desktops without client software.

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Citrix DaaS+17

Open-source, self-hosted RSS reader with REST and Fever API support, OPML import, multi-user, and a responsive UI.

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Feedly+11

An open-source WebRTC SFU that routes media for scalable multiparty video conferencing; supports Colibri XMPP/REST control, DTLS/SRTP, and Prometheus metrics.

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LiveKit Cloud+17

Openfire is an open source XMPP (Jabber) server for real-time messaging and collaboration, with a web admin console and a plugin ecosystem.

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Cisco Jabber+15

MPD is a modular, network-controlled music server that streams and manages a local music collection via a protocol-enabled daemon.

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Volumio Premium (MyVolumio)+8