Scheduling infrastructure, not just a booking page - Cal.com is the leading open-source scheduling platform. Share a link, attendees pick a slot, and real-time sync against Google Calendar, Outlook, and CalDAV prevents double-booking. Beyond the basics it covers team workflows: round-robin distribution, collective availability across multiple hosts, recurring meetings, and routing forms that ask bookers questions and send them to the right team member - the feature sales and support teams usually pay enterprise prices for. Paid bookings run through Stripe, video calls through the built-in Cal Video (Daily.co) or Zoom and Google Meet, and an app store connects 100+ tools including HubSpot, Zapier, and n8n. The API-first architecture with webhooks and embeds makes it practical to build scheduling into your own product, white-labeled with your domain and branding. Built on Next.js and Prisma over PostgreSQL, translated into 65+ languages, with the self-hostable community codebase maintained under an open-source license.

Step into the Matrix, where the future of chatter is not just bulletproof, but decentralised to boot! This app is your golden ticket to gabbing with pals, kin, digital tribes, and office allies in a virtual space that's as snug as a bug in a rug. Wave goodbye to the digital overlords and hello to a world where you're the architect of your own cyber sanctuary. Fancy yourself a bit of a builder? Go wild creating snazzy, sophisticated chat apps atop the mighty Matrix. Part of a bustling bazaar of clients, servers, and robotic minions (we mean bots), this open-source extravaganza is snugly housed on RepoCloud, where your wallet won't weep over hosting fees. So, whether you're itching to gab, code, or conquer the universe of decentralised discourse, Matrix is your trusty sidekick in the quest for communication liberation!

"Throw it on a haste and send the link" entered developer vocabulary because of Hastebin (haste-server), the minimalist open-source pastebin. Written in Node.js with three stated design goals - be really pretty, be really simple, be easy to set up - it does one job precisely: paste code, logs, stack traces, or config snippets, press save (or Ctrl+N for a new one), and get a short random-key URL to share. Syntax highlighting renders pastes readably across common languages, a raw view serves plain text for curl and scripts, and duplicate-and-edit makes iterating on a shared snippet trivial. The killer workflow is the terminal: with the haste-client utility or a one-line shell function, `cat error.log | haste` prints a shareable URL straight from stdout - the fastest route from a broken build to a colleague's eyeballs. Storage is pluggable through a simple adapter interface: filesystem by default, Redis with optional key expiration for pastes that should age out, and configurable key length, maximum paste size, and static documents. Self-hosting matters here because pastes often contain internal logs and stack traces that should never sit on a public pastebin - your instance keeps them inside your network, under your retention rules.

Blast off into productivity space with Rocket.Chat SIX, the ultimate team collaboration cosmos! Imagine a world where your data isn't just your own, it's your best-kept secret. With customization that's as vast as the universe and integration that's as seamless as a black hole, you're in for a stellar ride. This platform is like the Swiss Army knife for your messages, projects, and tasks, all orbiting harmoniously in one digital galaxy. But wait, there's more! It's not just about team efficiency; it's about making customer connections that are out of this world. Rocket.Chat SIX is your mission control for omnichannel customer service, creating conversations that sparkle like constellations. And for those who like their chats with a side of excitement, the in-built chat engine is like adding a turbo boost to your app or website's user engagement. Built for the control freaks in spacesuits, this platform offers end-to-end encryption and compliance with intergalactic data protection laws. Plus, with deployment options more flexible than a yoga instructor in zero gravity, your security needs are covered. So why settle for a cloud when you can have the whole cosmos with RepoCloud hosting? Get ready to take your team's productivity to infinity and beyond!

Surf's up on the web with the Chromium browser, now in a swanky Docker container! This isn't your grandma's browser; it's a sleek, secure, and speedier way to ride the digital waves. With support for the brawniest of processors (x86-64 and arm64), you can deploy this bad boy on RepoCloud and watch it fly faster than a seagull after a french fry. Fancy a secure connection? HTTP and HTTPS are both on the menu. Tweak the sails with environment variables and run configurations to make your browsing as smooth as a sea breeze. And for the power users, hoist your flags high with Chromium CLI options that'll make your containerized browser salute you. Whether you're looking to accelerate with GPU or nestle into a Docker in Docker setup, this Chromium is ready to set sail on the vast ocean of modern websites, all while keeping your wallet as full as a pirate's treasure chest thanks to RepoCloud's lower hosting costs. Ahoy, mateys, let's browse!

Get ready to break up with your high-maintenance CMS and swipe right on Strapi! This open-source heartthrob is the headless CMS Casanova, charming developers with its 100% JavaScript DNA. Strapi is like that best friend who brings out your creative side, letting you mingle with your beloved tools and frameworks without any third-wheel awkwardness. It's like a content management speed date – you'll go from lonely backend single to ready-to-mingle in mere minutes. Customize those content APIs like you're on a reality makeover show and strut your stuff across any digital catwalk, be it REST or GraphQL. And when it's time to settle down, you can cozy up with Strapi Cloud or play the field across various cloud platforms. With Strapi, you're the director of your own content love story, crafting and managing digital experiences that make your heart skip a beat, all without the drama of traditional CMS plot twists.

Embark on a journey of organizational enlightenment with Roadmap, the open-source sherpa for your roadmapping escapades. Picture a wonderland where your roadmapping canvas is as customizable as your coffee order – extra foam, no lid, with a dash of user mentions and upvote sprinkles to sweeten the deal. Imagine a world where slugs aren't just garden critters but auto-magical breadcrumbs leading to your project's success. Behold the Filament admin panel, a command center so sleek, it makes mission control look like a game of Pong. And let's not forget the role system – as easy as pie with a slice for the admin, a dollop for the employee, and a crumb for the user. Want to waltz into your roadmap with the grace of a single sign-on? OAuth 2's got your back, with a red carpet rollout featuring your brand's signature color. And for the GitHub gladiators, wield the power to tether repositories to projects and juggle issues without breaking a sweat, all from the throne of your admin panel. Built with the muscle of PHP and the backbone of a database, Roadmap is your ticket to a less costly, more cloud-nine experience on RepoCloud. So why settle for the cloud when you can have the entire sky?

For people whose notes number in the tens of thousands, Trilium Notes is the hierarchical note-taking application built specifically for large personal knowledge bases - actively maintained as TriliumNext. Notes arrange into arbitrarily deep trees where every note is both content and container, and cloning lets a single note live in multiple places at once - bash notes belong under both Linux and Scripting, and Trilium refuses to make you choose. A WYSIWYG editor handles rich text, tables, math, and syntax-highlighted code blocks with Markdown-style shortcuts, while dedicated note types cover Excalidraw sketches, mind maps, geo maps with GPX tracks, relation maps that visualize connections between notes, and tables with typed columns. The attribute system is the power layer: labels attach queryable metadata (#year=1999, #author), relations create named links between notes, and both inherit down the tree - feeding full-text search, saved queries, and scripting. Scripting is Trilium's deepest differentiator: JavaScript code notes run on events like note changes or hourly schedules, build custom widgets, and add server-side logic, turning the knowledge base into a programmable platform. Protected notes encrypt sensitive content, note hoisting focuses on subtrees, and the self-hosted server syncs desktop clients across devices.

Any SSH-accessible Linux box - VPS, bare metal, Raspberry Pi, EC2 - becomes a Heroku-like deployment environment under Coolify, an open-source, self-hostable platform-as-a-service. Connect a GitHub, GitLab, Bitbucket, or Gitea repository and every push builds and deploys automatically via Nixpacks, a Dockerfile, or Docker Compose, with Traefik reverse proxying, automatic Let's Encrypt certificates, and per-branch preview deployments with their own URLs. Databases - PostgreSQL, MySQL, MariaDB, MongoDB, Redis - provision in a few clicks, and a catalog of 280+ one-click service templates covers WordPress, n8n, Grafana, MinIO, Plausible, and more, replacing an afternoon of Compose YAML with a two-minute operation. One dashboard manages multiple servers, with Docker Swarm available for clustering. Backups go to any S3-compatible storage with one-click restore, a browser terminal gives real-time server access, and a full API supports CI/CD integration. All configuration lives on your own servers, so resources keep running even without Coolify. Apache 2.0 licensed.

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Whip up a 3D masterpiece, animate your own indie flick, or craft virtual worlds that defy reality with Blender – the all-in-one, open-source 3D graphics wizard! This app is like a Swiss Army knife for your digital artistry needs, from 3D modeling to rendering faster than you can say 'Pixar'. Hosted on RepoCloud, it's like having a personal art studio in the cloud, minus the splattered paint. With a user-friendly desktop GUI, you'll feel like a digital Picasso in no time. Blender is souped-up with hardware acceleration, making your desktop experience smoother than a well-oiled robot. While it doesn't roll out the red carpet for GPU rendering straight away, it's still a party on multiple architectures. Just a heads-up for the Arm aficionados: it's best to avoid /dev/dri for now – Blender's a bit picky with the OpenGL ES version there. But hey, that's just a small bump on the road to 3D glory!

Dive into the future of chit-chat with our snazzy forum app! It's not just easy on the eyes with its chic UI, but it's also a breeze to customize and as light as a feather, making sure your thumb-swiping game is strong on any gadget. We've got the security tighter than a drum, so you can gab away without a worry. And talk about a babel fish – this baby speaks 41 flavors of human, so it's like the United Nations of forums. Whether you're a telecom titan, a globe-trotting storyteller, or the maestro of memes, our app is your soapbox. Host it on RepoCloud, where the price is as tiny as the footprint, and join the forum frenzy that's sweeping the netizens off their feet!

Get ready to amp up your audio experience with Ampache! Imagine a jukebox that never closes, right in your browser. This nifty web-based app is your personal DJ, spinning tracks and videos on demand, wherever you may roam. Picture this: your entire music library, now obediently waiting for your click, ready to serenade you through the simplest of web interfaces. Fancy a bit of musical matchmaking? Ampache's got you covered, syncing up local and remote catalogs to craft a harmonious blend that's music to your ears. And when it comes to streaming, Ampache is like that friend who knows all your favorite songs, streaming them to your chosen player, or even serenading you directly on the web page with a snazzy HTML5 player. This open-source maestro is all about freedom and flexibility, playing nice with almost any device that can hum along to the internet. So, whether you're on your phone, tablet, or kicking back in front of the TV, Ampache is your go-to for a symphony of streaming. And the best part? Hosting it on RepoCloud won't hit a sour note with your wallet. It's like having a backstage pass to your music collection without the VIP price tag!

Get ready to turbocharge your torrenting experience with SimpleTorrent, the self-hosted torrent maestro that lets you kick back while your torrents do the hustle. Crafted with the magic of Go (golang), this nifty app transforms your server into a torrent-fetching powerhouse, snagging files and lining them up for your streaming pleasure or HTTP retrieval. Fancy a bit of control? You got it! Pick and choose individual files, command an external app to celebrate task completion, and enforce a seeding etiquette to say 'stop' when you've shared enough. But wait, there's more! Throttle those speeds to avoid hogging the bandwidth and dive into the nitty-gritty of transfer stats with a web UI that's slicker than a greased otter. Real-time updates? Check. Mobile-friendly? You bet. A content server that's faster than a caffeinated cheetah? Absolutely. And with IPv6 readiness, a fresh torrent engine from anacrolix/torrent, and extra goodies like a torrent watcher, K8s/docker health-checks, bonus trackers, and a magnet protocol handler, SimpleTorrent hosted on RepoCloud is like having your very own torrent butler – all at a price that won't plunder your coin purse!

Every unit of income gets a job in Actual Budget - a local-first personal finance app built on envelope (zero-sum) budgeting, where you can only budget cash you actually have, which keeps the plan honest by construction. The data model is a SQLite file that lives on your device and works fully offline; the self-hosted Node.js sync server adds background multi-device synchronization using CRDT-based distributed-systems machinery, browser and mobile access as an installable web app, and automated backups. Optional end-to-end encryption makes the synced data unreadable even to the server hosting it. Transactions enter three ways: manual entry, file import (CSV, QIF, OFX, QFX, CAMT.053), or automatic bank syncing through GoCardless for EU/UK banks and SimpleFIN for US/Canada. Built-in YNAB4 and nYNAB importers migrate complete budget histories, and reports, schedules for recurring transactions, and rule-based transaction cleanup handle the day-to-day. A fully featured local API lets developers script custom importers and automation against their own data. 100% free, open source, and 26k stars strong.

The de facto dashboard of observability: Grafana is the open-source frontend that turns the data stores you already run into interactive graphs. It does not store metrics itself; it connects to the data stores you already run and turns their contents into interactive dashboards. Supported sources number over 150 via plugins: Prometheus, Loki, Tempo, InfluxDB, Elasticsearch, MySQL, PostgreSQL, Microsoft SQL Server, AWS CloudWatch, Azure Monitor, Google Cloud Monitoring, and many more. Dashboards are built from a large library of panel types (time series, heatmaps, tables, gauges, logs) with template variables for reusable, parameterized views. Unified alerting evaluates rules against any connected data source, not just Prometheus, and routes notifications to Slack, PagerDuty, email, and other channels with grouping and silencing - unlike Prometheus Alertmanager, a single rule can combine a Loki log pattern, a PostgreSQL query result, and a CloudWatch metric. Dashboards serialize to JSON and data sources configure via provisioning files, so the entire observability setup can live in Git and deploy repeatably across environments. Explore mode adds ad-hoc querying outside dashboards, with split view for correlating a metric spike against the matching log lines, and access control spans organizations, teams, folder permissions, and OAuth, LDAP, and SAML integration. Written in Go and TypeScript, AGPL-licensed. Self-hosting gives you unlimited users, dashboards, and queries at flat hosting cost, without Grafana Cloud's usage-based pricing.

Snap-happy shutterbugs, rejoice! Photoview is like a personal butler for your pixels, smartly sorting your snapshots and vids into a swanky digital gallery. Glide through gigabytes of glossy high-res memories with the grace of a gazelle. It's like having a psychic librarian who knows exactly where every photo and video is shelved, thanks to its magical sync with your file system. Wave goodbye to manual updates; this clever curation companion refreshes your collection as you add new moments to your montage. Fancy a bit of privacy? No problemo! Each user gets their own secret stash of media, locked down tighter than a drum with usernames and passwords. Want to flaunt your latest landscape shot or adorable kitten video? Share away with links that are as public or as hush-hush as you like. Photoview's got a knack for nosing out EXIF metadata, so you can see the 'who, what, when, and where' of every image, and even pin them to a map like a globetrotting detective. On the move? The iOS mobile version lets you peek at your portfolio on-the-fly. From RAW riddles to video voodoo, Photoview handles it all, dishing out thumbnails and web-optimized videos with the ease of a master chef. All this, hosted on RepoCloud, where the cost is as tiny as the thumbnails it creates, but the value is as vast as your ever-growing gallery of life's moments.

Engineers who have outgrown Duplicati or rsync scripts tend to appreciate Kopia's design: encrypted, compressed, content-deduplicated snapshots in Go, stored in a repository on any storage you control - S3, Google Cloud Storage, Azure Blob, Backblaze B2, SFTP, WebDAV, or a plain filesystem. Encryption is mandatory and end-to-end: every block is encrypted client-side with AES-256-GCM or ChaCha20-Poly1305 using keys derived from your repository password, and even file names never leave the machine in plaintext. Blocks are packed into 20-40 MB blobs with random names, so the storage provider learns nothing about content or structure. Deduplication is automatic and content-based - identical data across files, snapshots, and even multiple machines backing up to the same repository is stored once. Policies govern everything per-directory: compression choice, retention (hourly through annual), scheduling, and ignore rules. Incremental snapshots are point-in-time records you can mount and browse like a filesystem. This deployment runs the Kopia repository server with its web UI, centralizing backups from multiple client machines over an authenticated API - each client connects with the server URL and certificate fingerprint, and users only see their own snapshots. Error correction, high-latency-tolerant caching, and both CLI and GUI round it out.