Free tools

Open source, source-available, and free closed-source tools. The license tag is the one to read before you self-host.

• AbiWordOpen sourceA small desktop word processor.
• ActivepiecesOpen sourceA MIT-licensed automation core with commercial enterprise features.
• Actual BudgetOpen sourceEnvelope budgeting on a file you own.
• AFFiNESource-availableLocal-first docs and whiteboards. MIT editor, source-available server.
• AffinityFree, closed sourceCanva's professional photo, vector, and layout suite, free for individuals.
• AkauntingSource-availableAccounting under the Business Source License.
• Alf.ioOpen sourceEvent tickets and check-in.
• AnytypeSource-availableA local-first, encrypted workspace of linked objects.
• AppFlowySource-availableA local-first workspace with a commercial self-hosted server.
• AutheliaOpen sourceTwo-factor login in front of your apps.
• AuthentikOpen sourceAn identity provider with an MIT core.
• BaserowOpen sourceAn Airtable-style database with an MIT core.
• BigBlueButtonOpen sourceAn open-source classroom meeting server.
• BitwardenOpen sourceThe open-source password manager with a usable free plan.
• BlenderOpen sourceA 3D suite with a video sequence editor.
• Booked SchedulerOpen sourceResource and room scheduling.
• BugsinkOpen sourceA smaller Sentry-compatible error store.
• Cal.comOpen sourceOpen booking links you can host.
• CapRoverOpen sourceA PaaS with a web UI and Let's Encrypt.
• ChatwootOpen sourceA shared inbox. Community code is MIT.
• Collabora OnlineOpen sourceLibreOffice in the browser for a file share.
• CoolifyOpen sourceA self-hosted PaaS for apps and databases.
• CryptPadOpen sourceEncrypted collaborative docs in the browser.
• darktableOpen sourceAn open-source RAW developer, not a compositor.
• diagrams.netOpen sourceFree diagramming, formerly draw.io, under Apache-2.0.
• digiKamOpen sourceA photo library with some RAW tools.
• DocmostOpen sourceAn open-source team wiki with real-time editing.
• DocumensoOpen sourceSign a PDF on a server you run.
• DocuSealOpen sourcePDF signing with a small deploy.
• DokkuOpen sourceA small PaaS on one Linux host.
• DolibarrOpen sourceERP and invoicing for a small company.
• Easy!AppointmentsOpen sourceA small PHP appointment book.
• ElementOpen sourceA Matrix client for encrypted, federated chat.
• Element CallOpen sourceMatrix-native video calls with encryption as the default posture.
• ERPNextOpen sourceAccounting, inventory, and CRM on Frappe.
• ErrbitOpen sourceAn older Airbrake-compatible error catcher.
• EspoCRMOpen sourceA lighter CRM with a clean UI.
• EtherCalcOpen sourceA collaborative spreadsheet in one process.
• ExcalidrawOpen sourceA hand-drawn whiteboard that exports SVG.
• Firefly IIIOpen sourceA self-hosted personal finance ledger.
• ForgejoOpen sourceA community forge, GPL-3.0 since v9.
• FormbricksOpen sourceSurveys with a self-hosted core.
• FreeScoutOpen sourceA shared mailbox help desk.
• GIMPOpen sourceThe long-running open-source photo and raster editor.
• GiteaOpen sourceA lightweight Git forge.
• GitLab Community EditionOpen sourceThe MIT edition of GitLab, without EE.
• GlitchTipOpen sourceError tracking compatible with Sentry SDKs.
• GnuCashOpen sourceDesktop double-entry bookkeeping.
• GnumericOpen sourceA desktop spreadsheet with serious formulas.
• GoatCounterOpen sourceTiny EUPL analytics for people who want a page counter, not a suite.
• GristOpen sourceA relational spreadsheet, Apache-2.0.
• HarperOpen sourceAn offline English grammar checker, Apache-2.0.
• HeyFormOpen sourceConversational forms you can host.
• HighlightSource-availableSession replay and errors, with a split license.
• HomeBankOpen sourceA desktop personal-finance app.
• HuginnOpen sourceSelf-hosted agents that watch the web and act on events.
• ImmichOpen sourceA self-hosted photo and video backup.
• InkscapeOpen sourceA GPL vector editor for illustrations and logos.
• Invoice NinjaSource-availableInvoicing under the Elastic License.
• Jitsi MeetOpen sourceBrowser video meetings, Apache-2.0, with a public hosted service.
• JoplinOpen sourceNotes, notebooks, and a web clipper.
• KanboardOpen sourceA minimal MIT kanban app with automated actions.
• KdenliveOpen sourceA multitrack editor from KDE.
• KeePassXCOpen sourceAn offline password database in a file you keep.
• KeilaOpen sourceA smaller open-source newsletter tool.
• KeycloakOpen sourceHosted login, OIDC, SAML, and a user directory.
• KMyMoneyOpen sourceA KDE personal-finance ledger.
• KritaOpen sourceAn open-source painting and illustration app.
• KuberoOpen sourceA PaaS panel on Kubernetes.
• LanguageToolOpen sourceGrammar checking in the browser, in office apps, and on your own server.
• LibreOfficeOpen sourceA desktop suite that opens Office files.
• LimeSurveyOpen sourceA long-running survey server.
• ListmonkOpen sourceA small AGPL newsletter manager.
• LogseqOpen sourceAn outliner that stores a graph of pages.
• LunacyFree, closed sourceA free proprietary design app for Windows, Mac, and Linux.
• MatomoOpen sourceA full-featured GPL analytics suite, on your server or their cloud.
• MattermostOpen sourceSelf-hosted team chat that follows the Slack model.
• MauticOpen sourceOpen-source marketing automation, closer to Mailchimp than a newsletter script.
• MermaidOpen sourceDiagrams in Markdown.
• n8nSource-availableA source-available workflow tool with a large integration list.
• NextcloudOpen sourceThe self-hosted Dropbox, plus the apps you turn on.
• Nextcloud TalkOpen sourceChat and calls inside a Nextcloud server.
• NocoDBSource-availableA spreadsheet UI on a real database, now under a Sustainable Use License.
• Node-REDOpen sourceA flow-based wiring tool for developers, Apache-2.0.
• ObsidianFree, closed sourceA free, closed-source app that stores plain Markdown on disk.
• Odoo CommunityOpen sourceThe LGPL community apps, not the enterprise modules.
• OhMyFormOpen sourceA self-hosted form backend.
• OliveOpen sourceA node-based editor still in motion.
• ONLYOFFICEOpen sourceBrowser editors for DOCX, XLSX, and PPTX.
• OpenProjectOpen sourceA GPL project suite with issues, Gantt, and time tracking.
• OpenShotOpen sourceA simpler desktop video editor.
• OpenSignOpen sourceDocument signing with an AGPL core.
• osTicketOpen sourceA classic PHP help desk.
• OutlineSource-availableA fast team wiki under the Business Source License.
• ownCloudOpen sourceThe file-sync project Nextcloud forked from.
• PassboltOpen sourceA team password manager.
• PenpotOpen sourceOpen-source design and prototyping, with a free cloud.
• PhotopeaFree, closed sourceA Photoshop-like editor that runs in the browser.
• PhotoPrismOpen sourceA self-hosted photo library.
• PlaneOpen sourceA modern AGPL issue tracker with cycles and modules.
• PlankaSource-availableA Trello-like board under a source-available community license.
• PlantUMLOpen sourceDiagrams written as text.
• PlausibleOpen sourceA lightweight, cookie-free analytics tool you can also host.
• Proton PassFree, closed sourceA free password manager from Proton, with open-source clients.
• Pydio CellsOpen sourceA file platform with shares and previews.
• RadicleOpen sourceA peer-to-peer code forge.
• RalllyOpen sourceA poll to find a time that works.
• RawTherapeeOpen sourceA RAW developer without a library catalog.
• RedmineOpen sourceA classic GPL issue tracker with strong repository integration.
• reveal.jsOpen sourceHTML slide decks you keep in Git.
• Rocket.ChatOpen sourceMIT-licensed team chat with a free community server.
• ScribusOpen sourceOpen-source desktop publishing.
• SeafileOpen sourceFile sync with a GPL community edition.
• ShotcutOpen sourceA desktop timeline editor.
• Signature PDFOpen sourceA small tool to sign a PDF.
• SigNozOpen sourceTraces, metrics, and logs in one app.
• SilverBulletOpen sourceA Markdown note server with a plug-in space.
• SourceHutOpen sourceGit hosting composed of small services.
• SoziOpen sourceZooming presentations built on SVG.
• Standard NotesOpen sourceEncrypted notes with a published client.
• Stirling-PDFOpen sourceA local toolbox for PDF chores.
• SuiteCRMOpen sourceA CRM forked from the old community edition.
• Super ProductivityOpen sourceTasks and a time tracker on the desktop.
• SuperTokensOpen sourceLogin recipes with an Apache core.
• SyncthingOpen sourceContinuous file sync between your devices, with no central server.
• TaigaOpen sourceA self-hosted scrum and kanban tool.
• Tasks.orgOpen sourceAn Android task app that speaks CalDAV.
• TeableOpen sourceA database grid that presents itself as an Airtable alternative.
• TriliumOpen sourceA hierarchical note vault you can host.
• TwentyOpen sourceA modern CRM with an AGPL core.
• UmamiOpen sourceA MIT-licensed analytics app with a small footprint.
• UVdeskOpen sourceAnother PHP help desk.
• ValeOpen sourceA MIT prose linter for style guides and CI.
• VaultwardenOpen sourceA light Bitwarden-compatible server written in Rust.
• VikunjaOpen sourceAn AGPL task manager with kanban, list, and Gantt views.
• WBOOpen sourceA single-room shared whiteboard.
• WekanOpen sourceA MIT-licensed kanban board you host yourself.
• YunoHostOpen sourceA server distribution with an app catalog.
• ZammadOpen sourceA help desk with email, chat, and a knowledge base.
• ZitadelOpen sourceAn identity server written in Go.
• ZulipOpen sourceOpen-source chat organized by topics instead of threads.