Open-source alternatives to Microsoft Office
Documents6

LibreOffice Writer is a desktop word processor for writing and editing documents on your own computer. It is for people who want an office suite that runs locally and works with common document formats.
Has 3 of 6 · Live co-editing ✗
The word processor in LibreOffice, a fork of OpenOffice.org's Writer
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
r/TrueOpenSource mods checked it: an open-source license, still looked after, and it really does the job.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
- Apache OpenOfficeActive
- LibreOffice CalcStarted as a copy in 2010, now separate
- LibreOffice ImpressStarted as a copy in 2010, now separate
- LibreOffice WriterStarted as a copy in 2010, now separate
- Collabora OnlineBuilt on LibreOffice

ONLYOFFICE Docs is an office suite for documents, spreadsheets, presentations and forms that several people can edit together, and it opens Microsoft Office files well. You run it on your own server, or use ONLYOFFICE's separate free desktop app.
Has 6 of 6
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
Apache OpenOffice is a free office suite with a word processor, spreadsheet and presentation program. It is for people who want a free alternative to Microsoft Office. It is one of two continuations of the older OpenOffice.org; LibreOffice is the other.
Has 2 of 6 · Phone app ✗
Separate copies: LibreOffice Calc, LibreOffice Impress +1 more
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
- Apache OpenOfficeActive
- LibreOffice CalcStarted as a copy in 2010, now separate
- LibreOffice ImpressStarted as a copy in 2010, now separate
- LibreOffice WriterStarted as a copy in 2010, now separate
- Collabora OnlineBuilt on LibreOffice

Collabora Online is office software you run on your own server so people can write and edit documents together in a web browser. It is for groups and organizations that want shared document editing on their own server.
Has 4 of 6 · Works offline ✗ +1
LibreOffice that runs in a web browser, for editing together
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
- Apache OpenOfficeActive
- LibreOffice CalcStarted as a copy in 2010, now separate
- LibreOffice ImpressStarted as a copy in 2010, now separate
- LibreOffice WriterStarted as a copy in 2010, now separate
- Collabora OnlineBuilt on LibreOffice

CryptPad is a web-based document suite where files are encrypted in your browser before they are stored or shared, so the server cannot read them. It is for people who want to write, edit and share documents, sheets and presentations together with privacy.
Has 2 of 6 · Works offline ✗ +1
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does part of the job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.

Etherpad is a real-time shared text editor where several people can write in the same document at once, and every change is recorded with its author. It is aimed at organisations, schools and self-hosters who want to run their own server.
Has 3 of 6 · Works offline ✗
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does part of the job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
Spreadsheets5

LibreOffice Calc is a spreadsheet program for tables, formulas and charts, part of the LibreOffice office suite. It is for people who need to work with spreadsheets on their own computer.
Has 3 of 7 · Live co-editing ✗
The spreadsheet app in LibreOffice, a fork of OpenOffice.org's Calc
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
r/TrueOpenSource mods checked it: an open-source license, still looked after, and it really does the job.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
- Apache OpenOfficeActive
- LibreOffice CalcStarted as a copy in 2010, now separate
- LibreOffice ImpressStarted as a copy in 2010, now separate
- LibreOffice WriterStarted as a copy in 2010, now separate
- Collabora OnlineBuilt on LibreOffice

ONLYOFFICE Docs is an office suite for documents, spreadsheets, presentations and forms that several people can edit together, and it opens Microsoft Office files well. You run it on your own server, or use ONLYOFFICE's separate free desktop app.
Has 5 of 7
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
Apache OpenOffice is a free office suite with a word processor, spreadsheet and presentation program. It is for people who want a free alternative to Microsoft Office. It is one of two continuations of the older OpenOffice.org; LibreOffice is the other.
Has 2 of 7 · Newer Excel formulas ✗ +1
Separate copies: LibreOffice Calc, LibreOffice Impress +1 more
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
- Apache OpenOfficeActive
- LibreOffice CalcStarted as a copy in 2010, now separate
- LibreOffice ImpressStarted as a copy in 2010, now separate
- LibreOffice WriterStarted as a copy in 2010, now separate
- Collabora OnlineBuilt on LibreOffice

Gnumeric is a lightweight spreadsheet program for tables, formulas and statistics. It is mainly for Linux, and is fast but has fewer chart options than LibreOffice.
Has 1 of 7 · Live co-editing ✗ +3
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does part of the job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.

Grist is a spreadsheet that also works like a database, so each column holds one kind of data and can be filled with formulas. It is for people who want spreadsheet-style editing with more structure, and it can be self-hosted or used through a browser.
Has 2 of 7 · Runs Excel macros ✗ +1
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does part of the job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
Presentations5

LibreOffice Impress is a slide presentation program that is part of the LibreOffice office suite. It is for people who make slide decks on a computer.
Has 3 of 6 · Live co-editing ✗
The presentation app in LibreOffice, a fork of OpenOffice.org's Impress
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
r/TrueOpenSource mods checked it: an open-source license, still looked after, and it really does the job.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
- Apache OpenOfficeActive
- LibreOffice CalcStarted as a copy in 2010, now separate
- LibreOffice ImpressStarted as a copy in 2010, now separate
- LibreOffice WriterStarted as a copy in 2010, now separate
- Collabora OnlineBuilt on LibreOffice

ONLYOFFICE Docs is an office suite for documents, spreadsheets, presentations and forms that several people can edit together, and it opens Microsoft Office files well. You run it on your own server, or use ONLYOFFICE's separate free desktop app.
Has 4 of 6
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
Apache OpenOffice is a free office suite with a word processor, spreadsheet and presentation program. It is for people who want a free alternative to Microsoft Office. It is one of two continuations of the older OpenOffice.org; LibreOffice is the other.
Has 3 of 6
Separate copies: LibreOffice Calc, LibreOffice Impress +1 more
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
- Apache OpenOfficeActive
- LibreOffice CalcStarted as a copy in 2010, now separate
- LibreOffice ImpressStarted as a copy in 2010, now separate
- LibreOffice WriterStarted as a copy in 2010, now separate
- Collabora OnlineBuilt on LibreOffice

Slidev lets you write presentation slides as plain text in Markdown, with code highlighting and live demos built in. It is aimed at developers and technical presenters who want to build slides in a code editor and show them in a browser.
Has 2 of 6 · Live co-editing ✗
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does part of the job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
reveal.js is a free framework for making slide presentations that run in a web browser, written in HTML or Markdown. It is for people comfortable editing code who want web-based slides with features like speaker notes and PDF export.
Has 3 of 6 · Opens PowerPoint files faithfully ✗ +1
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does part of the job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.