Productivity2.6KMPL-2.0FreeLibreOfficeComprehensive office suite with word processor, spreadsheet, presentation, and database applicationscross-platformdesktopextensibleAlternative to: Microsoft OfficeExplore
Productivity15KMITFreeActual BudgetPrivacy-focused personal budgeting app with local-first data and optional sync capabilitiesself-hostedweb-baseddockerAlternative to: Google SheetsExplore
Productivity12KMITFreemiumBaserowNo-code database platform with spreadsheet interface, forms, and API for building applicationsself-hostedweb-baseddockerAlternative to: Airtable, Google SheetsExplore
Productivity5.3KAGPL-3.0Freemium+1ONLYOFFICEOnline office suite with document, spreadsheet, and presentation editors supporting real-time collaborationself-hostedweb-basedcollaborativeAlternative to: Microsoft Office, Google DocsExplore
Productivity5KAGPL-3.0FreeVikunjaOpen-source to-do and task management app with lists, kanban, Gantt charts, and calendarself-hostedweb-baseddockerAlternative to: Todoist, TrelloExplore
Productivity4.5KotherFree+1AnytypeLocal-first personal knowledge management tool with object-based structure and peer-to-peer synce2e-encrypteddesktopoffline-capableAlternative to: Notion, EvernoteExplore
Productivity4.2KGPL-3.0FreeDokuWikiSimple and versatile wiki software that stores data in plain text files without a databaseself-hostedweb-basedplugin-systemAlternative to: Confluence, NotionExplore
Productivity58KAGPL-3.0FreeAppFlowyPrivacy-first open-source workspace for notes, wikis, and project management with AI featuresrustdesktopcollaborativeAlternative to: NotionExplore
Productivity10.5KAGPL-3.0FreeZoteroReference management software for collecting, organizing, and citing research sourcesdesktopcross-platformplugin-systemAlternative to: Notion, EvernoteExplore
Productivity33KAGPL-3.0Free+1LogseqPrivacy-first knowledge management tool with outliner, graph view, and bidirectional linkingdesktopmarkdownplugin-systemAlternative to: Notion, EvernoteExplore
Productivity7.5KAGPL-3.0FreeDocmostCollaborative wiki and documentation software with real-time editing and rich content supportself-hostedweb-basedcollaborativeAlternative to: Notion, Google DocsExplore
Productivity11.5KGPL-3.0FreeXournal++Handwriting note-taking software with PDF annotation support and pressure-sensitive pen inputcross-platformdesktoplightweightAlternative to: EvernoteExplore
Productivity22KAGPL-3.0Freemium+1SiYuanLocal-first personal knowledge management system with block-level referencing and sync capabilitiesdesktopmarkdowne2e-encryptedAlternative to: Notion, EvernoteExplore
Productivity49KAGPL-3.0FreemiumNocoDBNo-code database platform that turns any database into a smart spreadsheet with API accessself-hostedweb-baseddockerAlternative to: Airtable, Google SheetsExplore
Productivity4.5KAGPL-3.0FreemiumLeantimeStrategic project management system with goal tracking, to-dos, and timeline visualizationself-hostedweb-baseddockerAlternative to: Asana, Monday.comExplore
Productivity3.2KMITFreeSilverBulletExtensible, self-hosted knowledge management system built on Markdown and web standardstypescriptmarkdownself-hostedAlternative to: Notion, EvernoteExplore
Productivity10.5KGPL-3.0Freemium+2NotesnookEnd-to-end encrypted note-taking app with rich text editor, notebooks, and cross-platform accesse2e-encryptedcross-platformprivacy-focusedAlternative to: EvernoteExplore
Productivity21KotherFreeFocalboardPersonal task and project organization tool with board, table, and gallery view optionsself-hosteddesktopgolangAlternative to: Trello, Asana, NotionExplore
Productivity16.8KApache-2.0FreeEtherpadReal-time collaborative text editor that allows multiple authors to edit simultaneously in-browserself-hostedweb-basedcollaborativeAlternative to: Google DocsExplore
Productivity1.2KGPL-3.0FreeTraggoTag-based time tracking tool with a clean interface and self-hosting supportself-hostedgolangdockerAlternative to: Todoist, AsanaExplore
Productivity42KMITFreemiumAFFiNENext-generation knowledge base combining docs, whiteboards, and databases in one workspaceweb-basedcollaborativetypescriptAlternative to: NotionExplore
Productivity5.7KAGPL-3.0FreemiumCryptPadEnd-to-end encrypted collaboration suite with documents, spreadsheets, presentations, and kanban boardsself-hostede2e-encryptedweb-basedAlternative to: Google DocsExplore
Productivity5.3KAGPL-3.0Freemium+2Standard NotesEnd-to-end encrypted note-taking app with longevity focus, extensions, and cross-platform synce2e-encryptedcross-platformprivacy-focusedAlternative to: EvernoteExplore
Productivity24KAGPL-3.0FreemiumTwentyModern open-source CRM platform designed as a Salesforce alternative with a beautiful UIself-hostedtypescriptdockerAlternative to: Asana, Monday.comExplore