Free Office & Productivity Software
Google Docs
With Google Docs, you can create and edit web-based documents, spreadsheets, and presentations. Store documents online and access them from any computer, or collaborate on them with friends, family or co-workers in real-time.
Jamboard
Jamboard is an interactive whiteboard system developed by Google as part of Google Workspace, formerly known as G Suite. With Jamboard, you and your co-workers can unlock your teams creative potential through real-time co-authoring. The Jamboard can be used as mobile application on a device of your choice or the 55-inch cloud-powered whiteboard.
NeoOffice
Specifically designed for macOS, NeoOffice brings a free and open source alternative to popular office suites. NeoOffice is based on OpenOffice and LibreOffice and provides a way for macOS users to view, edit, and save OpenOffice documents, LibreOffice documents, and simple Microsoft Word, Excel, and PowerPoint documents.
SoftMaker FreeOffice
SoftMaker FreeOffice is free and highly intuitive document creation software for business and personal use. SoftMaker FreeOffice is compatible with Microsoft documents such as as DOCX, XLSX, and PPTX allowing you to migrate from and work interchangably with the Microsoft line of office products. The FreeOffice suite includes a word processor, a spreadsheet application and a presentation application.
LibreOffice Calc
LibreOffice Calc is a free and open-source spreadsheet tool part of the LibreOffice software package. With LibreOffice Calc users can manage spreadshets with its native Open Document Format (.ods), CSV (.csv) and other common formats like the Microsoft Excel format. The software is openly developed by The Document Foundation and the open source community while being released under a combination of license including MPLv2.0 and a secondary license GPL, LGPLv3+ or Apache License 2.0.
Thunderbird
A free an open-source email client developed openly by the Mozilla Foundation and the community. Thunderbird is easy to setup and customize and supports POP and IMAP. The email client comes with all features needed to search, filter, write and manage emails, but also have builtin support for live chat between contact and RSS/Atom feed reader.
Sumatra PDF
With Sumatra PDF you can view documents and manipulate PDF files. Sumatra PDF is a free and open-source document viewer that supports a variety for file extensions, including PDF, CHM, DjVu, EPUB, FB2, MOBI, PRC, OXPS and comic book archive files like CB7, CBR, CBT, CBZ.
TablePlus
TablePlus is a modern, native database client with intuitive GUI tools to create, access, query and edit multiple relational databases. The client supports MySQL, PostgreSQL, SQLite, Microsoft SQL Server, Sqlite, Redis, Cassandra, MongoDB and CockroachDB. TablePlus is available for macOS and Windows, and beta versions available for iOS and Linux.