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Questions tagged [open-source]

Software required to be open-source. This is not to be confused with "gratis" software, which is free of cost. Open-source, sometimes called "free" or "libre" software, has the original source code freely available to be viewed, redistributed and modified. Please don't use this as the only tag on a question; add tags which indicate the functionality as well.

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64 votes
17 answers
54k views

Simple open-source offline Markdown viewer for Windows

I am looking for a Markdown viewer for Windows. It should: Run locally on Windows (be a normal program, not a browser addon, webapp or anything else that requires use of a web browser). Preferable: ...
user avatar
58 votes
2 answers
10k views

Password manager for Linux and Android

I'm looking for a password manager which is available as Android App and Linux Desktop application alike. I know there's e.g. KeePassDroid (see: Password manager for Linux with just working in-browser ...
Izzy's user avatar
  • 18.9k
53 votes
4 answers
8k views

Open source PDF reader for Windows

I want to read PDF files on Windows. The PDFs can be quite large (like 50 MB) but they do not contain interactive forms nor special gadgets. I just do casual human reading, no automatic data ...
Nicolas Raoul's user avatar
  • 19.5k
43 votes
5 answers
41k views

Text based browser that runs JavaScript

I am searching for a text browser running JavaScript. It should be compatible with Linux platform. Other features: run JavaScript (this is the most important) minor CSS rendering (text colors, ...
Ionică Bizău's user avatar
33 votes
4 answers
3k views

Free/Libre voice & video chat alternative to Skype?

I don’t want to use Skype because it’s proprietary. I’m looking for an alternative that is Free/Libre (FLOSS), is available cross-platform * (at least: GNU/Linux, Mac OS, and Microsoft Windows), ...
unor's user avatar
  • 7,716
32 votes
3 answers
41k views

Open-source image organiser with face recognition (alternative to Picasa) with OSX/Linux support

I'm looking for free (ideally open-source) image viewer and organiser which has the following features: Full screen preview of images with basic zoom in/out abilities. Image thumbnail grid view of ...
kenorb's user avatar
  • 3,143
31 votes
6 answers
291k views

GUI drag & drop style GUI Builder for Python Tkinter

I'm looking for a GUI drag-and-drop style GUI builder for Python Tkinter where I can create windows with forms, buttons, labels, etc. without actually writing any code. I would like the software to ...
Tom's user avatar
  • 7,749
29 votes
2 answers
26k views

Open Source implementation of Google Play Services

Google Play Services is a library for Android that offers various goodies, for instance for geolocalization. While Android is Open Source, Google Play Services is proprietary. Many developers ignore ...
Nicolas Raoul's user avatar
  • 19.5k
24 votes
1 answer
11k views

Open-source SSH terminal client for Windows with tabs, private key auth + more

Moving here a question locked on ServerFault, with some refinements: since nothing assures you that closed-source terminal emulators don't phone home with your login details or private keys, I'm ...
Dan Dascalescu's user avatar
24 votes
3 answers
19k views

Open Source speech-to-text software for audio files in English

I have hundreds of hours of audio files in English that I need to transcript to the same language. Do you know a speech-to-text software that I can use to do it automatically? Even when its automatic ...
JonDoe297's user avatar
  • 341
23 votes
2 answers
745 views

FLOSS tools for facial recognition?

There seem to be good GUI tools to enable facial recognition with FLOSS, they all fall short of my requirements. And while there seem to be a lot of research projects with open code, they seem to be ...
RichiH's user avatar
  • 231
22 votes
5 answers
1k views

Free alternatives to Matlab that run on Linux?

I recently joined the folks using Linux. As a result, I'm trying to replace as much of the propriety applications as I can, with free — and if possible open-source — alternatives. Since I need a ...
e-sushi's user avatar
  • 1,530
22 votes
2 answers
352 views

Open source application for disaster relief

I'm currently in Bosnia, which has been hit with the worst flood in its history, together with Croatia and Serbia. Governments are completely unprepared, as is common in these parts. With some ...
Davor's user avatar
  • 321
22 votes
5 answers
17k views

A free software CV/résumé parser

I'm seeking a software solution to extract data from résumé/CV in various format (PDF, Microsoft Word, etc.). What I need is : extracting name, surname, email, phone numbers, segmented postal ...
psychoslave's user avatar
22 votes
1 answer
1k views

Maze generator library

Randomly generated game worlds are currently very popular. Can anyone recommend an open-source Java library for tile-based maze (bird's-eye view) creation? Features I have in mind: Basic two exits, ...
Jens Piegsa's user avatar
  • 2,924
21 votes
3 answers
12k views

A modern(ish) C++ graph representation and manipulation library

At my old workplace I had mixed experience with Boost's graph library; I wasn't the person working with that code mostly, but we experienced brittleness, things changing under our feet, and a need to ...
einpoklum's user avatar
  • 3,329
20 votes
5 answers
3k views

Tool to install and manage software installations on multiple Windows computers?

I have about 15 computers on the same network and most of their installed software are the same. When I want to install new programs or update installed ones I have to go to each one and install/...
Pierre's user avatar
  • 301
20 votes
4 answers
12k views

Creating website wireframes on GNU/Linux with a free/libre tool

I want to create website wireframes. Locally/offline, or on my own server. Requirements License: The tool needs to be FLOSS The included graphics need to be licensed under the same license, or under ...
unor's user avatar
  • 7,716
20 votes
1 answer
6k views

Free/libre comic strip creator for GNU/Linux

I want to create comic strips. But, as I have no artistic talent, I can’t picture them by hand. So I’m looking for a tool that allows me to arrange "templates", like characters, furniture, items, and ...
unor's user avatar
  • 7,716
19 votes
5 answers
63k views

Mount SFTP on Windows

I'm looking for a program that can mount SFTP folders on Windows, that: Is gratis and open-source Runs natively on Windows (10) Mounts to a drive, not to a folder Supports password-encrypted SSH2 (...
wb9688's user avatar
  • 1,240
19 votes
1 answer
1k views

Open-Source Webmail Client Alternative to Gmail

In an interest to move my personal data away from the hands of corporations, I am looking to close my gmail account and start using a self-hosted solution; however, I currently use the web front-end ...
Woodrow Barlow's user avatar
18 votes
4 answers
779 views

Software to backup Android phone ROM

I would like to backup the ROM on my phone before I attempt to install Cyanogenmod on it. It is a Samsung Galaxy SIII on Sprint in the United States. My phone is not currently rooted and I'm running a ...
kmort's user avatar
  • 959
18 votes
2 answers
2k views

Open source CAD for 2D drafting

I do a lot of drafting using AutoCAD 2000 LT on Windows XP, but I need to upgrade to a newer operating system (Windows 8). Unfortunately, AC2000 won't work. So, I am looking for a new free (no money)...
Robin's user avatar
  • 352
18 votes
1 answer
566 views

Desktop Publisher (Alternatives to InDesign)

Adobe InDesign is the dominant player in the Desktop Publishing world. It is used for many books, and also for magazine and pamphlets, and even things like greeting-cards and invitations. It is almost ...
Frames Catherine White's user avatar
18 votes
2 answers
846 views

Open Source Java decompiler that does not crash on huge projects, understands advanced Java concepts

A Java decompiler turns a .class file back into a .java file. While decompiled code is not perfect (no comments, sometimes obfuscated names, etc.), it can be useful during hacking competitions, or to ...
Nicolas Raoul's user avatar
  • 19.5k
18 votes
3 answers
883 views

An open alternative for Evernote?

Since Evernote's recent pricing changes, I don't want to trust important personal data to their company any more, and I've been hunting for an alternative. Unfortunately there're not a whole lot of ...
00dani's user avatar
  • 281
17 votes
3 answers
22k views

Extract attachments from .eml file

Forwarded emails are unfortunately sometimes transmitted by Outlook as .eml files, which are unusable for normal users. In particular, extracting attachments from .eml files is a challenge. What ...
Nicolas Raoul's user avatar
  • 19.5k
17 votes
5 answers
386 views

I want to start a programming blog, what should I use?

Required features: Source code syntax highlighting I can write post using Markdown Open Source Installable on my server Written in Ruby or Python or JavaScript on server-side (plus JavaScript on ...
Bryan Chen's user avatar
17 votes
6 answers
2k views

Open source program to copy the contents of a Windows text file to the clipboard

Background I build a lot of text files in my $DAYJOB, which are then submitted to a review board in a very complicated Excel document. The contents of each text file must be pasted into a TextBox on ...
Mike Pennington's user avatar
17 votes
2 answers
4k views

Free/open source tool for creating flowcharts

Is there a free/open source alternative to software like OmniGraffle for designing flowcharts for papers? Mac OS X or Linux is the preferred OS. Specifically, I want to include a diagram of a ...
eatonphil's user avatar
  • 283
17 votes
6 answers
2k views

Free/Libre open source Q&A site software, Stack Exchange replacement

Stack Exchange has great features, but does not empower groups of people to set up and host their own Q&A site, quickly or privately. What other web-based Q&A software options exist that ...
Sean's user avatar
  • 394
17 votes
3 answers
235 views

Free/Libre XMPP client with "Attention" (XEP-0224) support?

Is there a FLOSS XMPP client for GNU/Linux that supports XEP-0224: Attention? It's an extension for getting the attention of another user. It is also known as "nudge" or "buzz".
unor's user avatar
  • 7,716
16 votes
2 answers
6k views

Explorer-like FTP client for Windows, open source and well-maintained

I need an FTP client for Windows Requirements: Graphical and user-friendly Feels like a Windows Explorer window, supports drag and drop No nags/ads/spyware Open source Supports FTPS, SFTP, and all ...
Nicolas Raoul's user avatar
  • 19.5k
16 votes
3 answers
1k views

A simple student examination open-source web software?

I need a (possibly simple and web-oriented) open-source software to ask a class of students some "open" questions (i.e., with open answers, not a "quiz"...), to be able to evaluate the level of their ...
MarcoS's user avatar
  • 273
16 votes
2 answers
749 views

Open source equivalent to Trello?

I have registered and started to try Trello, from https://trello.com today, and it looks very nice. I can use it for my own lists, however I will perhaps not be able to share with people for projects, ...
meylodie's user avatar
  • 169
16 votes
1 answer
438 views

Skype replacement for text chatting

Requirements: Open source; Cross-platform (at least Windows, Linux, OS X); Text chatting, group chatting; Encryption of messages; Reliable eventual delivery of messages (including to offline contacts)...
Vi.'s user avatar
  • 1,035
16 votes
1 answer
1k views

An open source alternative to Wolfram Alpha

I want an open source alternative to Wolfram Alpha that is like a QA system that: can take in natural language and process it have image processing functions has scientific functionality and ...
TanMath's user avatar
  • 341
15 votes
3 answers
3k views

Free alternative to Disqus

I am looking for a free as in freedom alternative to Disqus. Disqus is a third-party comment system for any website. Feature requested: Shouldn't require me to host it Integrate on any page in my ...
VicAche's user avatar
  • 1,082
15 votes
2 answers
292 views

Open source accountancy programs?

Are there any good open source accountancy programs a startup could use? Double-entry accountancy is required by law in many countries (including mine), so it is a must. The platform should be either ...
elaforma's user avatar
  • 449
15 votes
1 answer
1k views

"End user friendly" database tool (e.g., for curating a personal collection)

I’m looking for a graphical tool that allows me to create, populate and browse/search databases. Primary use case: Curate a personal collection (e.g., for movies, postage stamps, quotes, …). There ...
unor's user avatar
  • 7,716
15 votes
1 answer
1k views

Native photo managment software for Ubuntu

I’m searching for picasa alike photo management software for Ubuntu. App should be native and I don’t want to run it in Wine or similar software. Don't mind if not included in Ubuntu repositories ...
danijelc's user avatar
  • 2,018
15 votes
1 answer
4k views

Android Open Source Business Card Reader

What open source business card reader applications are available for Android? I would like to be able to snap a picture of the card or scan it and import it into my contacts/address book. I would ...
Ryan Gates's user avatar
14 votes
4 answers
24k views

Is there an open-source screen sharing tool?

Is there anything that can share screen between more than two people (like e.g. TeamViewer), but is open-source? At the very minimum, one user should be able to present their desktop, exact copy of ...
Jan Hudec's user avatar
  • 281
14 votes
4 answers
3k views

Cross-platform C GUI

My friend and I are developing a C software, he's developing it on Windows, I'm contributing and I use Xubuntu. As far as I know, Qt supports C++ and not C, and as far as I know GTK sucks on Windows, ...
Lynob's user avatar
  • 2,158
14 votes
4 answers
489 views

Open source video editing software for linux?

I'd like to find a good solid video editing software for Linux, preferably open-source. I've recently tried Cinelerra and Kdenlive, however kdenlive crashed on me a trifle too often for my liking. ...
gandalf3's user avatar
  • 453
14 votes
4 answers
6k views

Static site generator with GUI

I need a CMS static site generator for creating/editing static websites locally on my desktop. Formal requirements: FLOSS; native installation on GNU/Linux; with GUI; must not require a local server (...
unor's user avatar
  • 7,716
14 votes
2 answers
6k views

Open Source/Free software for locking folders

I am looking for a free software that can lock folders on my Windows system. I have tried many softwares like file locker, folder locker but they are only available in trial versions. I have a folder ...
neogeomat's user avatar
  • 736
13 votes
2 answers
11k views

Program to read shortcut (.lnk) files and modify its properties

I would like a GUI program capable to open/read a shortcut file and modify all of its properties, with total ease (like for example showing the original values in a editable textbox, and a button to ...
ElektroStudios's user avatar
13 votes
3 answers
21k views

A robust and flexible alternative to doxygen supporting C++

I need to generate documentation for a C++ project of mine (and soon perhaps also for additional ones). So far I've looked into doxygen, and even though it seems popular, I've had some issues with it (...
einpoklum's user avatar
  • 3,329
13 votes
3 answers
457 views

Take quick notes without interrupting current activity

When I’m in the middle of something and get an idea, I want to note it down without interrupting what I’m doing. Desired workflow: adding a note I press a key (or a key combo). (should work ...
unor's user avatar
  • 7,716

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