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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.

10
votes
0answers
133 views

Feature-rich Turtle editor

I want to edit Turtle (RDF) files in the most convenient way possible. Formal requirements: The solution must be FLOSS and a local/offline client that runs natively on GNU/Linux. I don’t expect (but ...
8
votes
0answers
3k views

Open-Source Diff Tool for C#

I'm looking for an open-source diff tool that I can integrate in my C# code. I am comparing two strings of text and want to render my output to look similar to the Stack Exchange diff tool: inline: ...
8
votes
0answers
410 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 ...
8
votes
0answers
148 views

License management software (Open Source)

I’m trying to find a solution for keeping our license information in our database. Let’s say a customer bought something 5 years ago, so I will create a new cutomer and assign him the license he ...
7
votes
0answers
93 views

Keep track of all my websites (and domains, hosts, CMS, URLs, etc.)

I run several dozen websites, on many different hosts, using various technologies. It’s easy to lose track of them, especially if they don’t get updated for years. And if having to change something in ...
7
votes
0answers
551 views

Javascript library for flowcharting

I have a requirement for modelling flowchart like (workflows) diagrams in the Web application. Request suggestions for an open-source javascript library for the same. Features I am looking include ...
7
votes
0answers
62 views

Ultra-lightweight RSS indicator for Ubuntu, running as status menu indicator

I use Feedindicator to be alerted of new RSS news. It is perfect for me in terms of UI, but it freezes randomly, making it unusable for me. Is there any similar software for Ubuntu Unity? Run as an ...
6
votes
0answers
640 views

Robust and invisible video watermarking software / library

I am doing a research project in search of a robust and invisible video watermarking software / library (preferably in Linux / C++). It needs to meet the following requirements: Robust - that is the ...
6
votes
0answers
76 views

Voice commanding a web browser on GNU/Linux

I’d like to browse the Web by using voice commands. It must be possible to scroll the page and to focus and click at links, and it should be possible to fill in and submit forms. It must be FLOSS (...
5
votes
0answers
332 views

Open source library/API to validate word pronunciation (like in Rosetta Stone)

I'm planning to make a web app that captures the user speech and tell the user if he/she is spelling the words in the right way, and gave him/her hits as to where he needs to improve his spelling. To ...
5
votes
0answers
610 views

Are there any Natural Language Processing (NLP) libraries in C?

Are there any NLP libraries/toolkits similar to NLTK or OpenNLP but in C? Note that I want something in pure C and not in C++.
5
votes
0answers
213 views

Open source Hebrew OCR

Is there any good free Hebrew OCR for Linux? Hocr doesn't count, as it's off such poor quality. I send computer generated text (not scanned, just saved as a gif) through it and it can't pick up ...
5
votes
0answers
60 views

Node.js (server side) Javascript templating system - like mason or myghty

Looking for the server-side (e.g. node.js, file-based (not browser based) JavaScript port of the perl's HTML::Mason or the newer Mason2 or the pythonic Myghty template system. For limiting the wrong ...
5
votes
0answers
188 views

Open-source replacement firmware for an old feature phone (LG Cosmos 2)

For several reasons, I still use a feature phone - specifically, the LG Cosmos 2. Unfortunately, the interface is horrible. I mean, really horrible. If I receive a text message while in the middle ...
5
votes
0answers
171 views

In-app triplestore like SQLite

Is there any open-source and cross-platform triplestore that could be integrated into a C++ application? I’m not looking for servers (i.e. 4store or Soprano). The good example for relational ...
5
votes
0answers
140 views

Open source alternatives to commercial finite element softwares

I'm looking for Open Source alternatives to commercial Finite Element softwares such as Ansys or Nastran/Patran. Some features that I would like to have: Mesh generator after importing a geometry ...
5
votes
0answers
84 views

Java lightweight library for QBE (non-JPA) open source / free?

I am looking for a freeware or open source java library that, given a JDBC connection, it can assemble/execute a QBE query, hopefully, using a POJO or HashMap as example. It does not have to deal ...
4
votes
0answers
39 views

What are some open source alternatives to Firebase?

...the task you want to accomplish I want to build web and mobile applications. I don't want to maintain my own servers. ...your requirements for that task They must use reusable components. So I'...
4
votes
0answers
56 views

Open-source tool for monitoring network requests within python-selenium tests (Alternative for browsermob-proxy)

I am looking for an alternative for browsermob-proxy (for automated testing), as this JAVA project is not maintained anymore, and does not work in various cases. I am looking either for a very ...
4
votes
0answers
23 views

Assess a picture's quality (size, contrast, sharpness)

I have millions of pictures of things (buildings, animals, people, etc). Some of the pictures are of bad quality, so they need to be shot again. How to measure the "quality" of each picture? I define ...
4
votes
0answers
145 views

open source software to make screencast?

What is a good screencasting open source tool? OBS was a good tool, but it doesn't do much high definition videos. Is there a better alternative? It should… support 25 or 24fps record in at least ...
4
votes
0answers
58 views

Open source ready-to-use computer vision to tell whether a picture shows a dog/car/etc

I have a million pictures, and need to categorize them with keywords. Example: A picture of a dog driving a car near the Eiffel Tower would get the keywords "dog" and "car" and "eiffel tower". ...
4
votes
0answers
372 views

Contract bridge game

I'm (or rather my grandma is) looking for a contract bridge game, that's: Gratis, free and open-source Available for Linux (32-bit Debian) Preferably using GTK2 Offline and single-player (and thus ...
4
votes
0answers
137 views

Is there an open-source Chrome / Firefox extension that tracks Gmail message opens and clicks?

I've seen various Chrome or Firefox extensions that allow tracking Gmail messages so that I can know when a recipient views (or clicks on links within) an email. For example: Yesware getsidekick.com ...
4
votes
0answers
58 views

FOSS End-User reporting tool for XML files

We have recently begun receiving data in XML format from an existing business correspondent. This format is not compatible with our existing software which is based upon 80 column unit records. The ...
4
votes
0answers
1k views

A Dropbox-like open source WebDAV sync client for Windows, written in C/C++/C#

I'm looking for something like ownCloud Client - a background app which syncs local folder with remove WebDAV storage accompanied with a desktop tool which has Dropbox-like UI (such as an icon in ...
4
votes
0answers
190 views

Convert a PDF/Image score into a programmatic format

Having a music score in PDF or image, format, containing a melody, what tools are available to convert it into a programmatic format (JSON or so)? The tools should: work offline (installable on a ...
4
votes
0answers
242 views

Ncurses wrapper with “fluid layout”

I'm looking for a ncurses-like framework for C++ that handles both the rendering and the layout of the UI components almost automatically. What I mean by a fluid layout is a system somewhat similar ...
4
votes
0answers
260 views

Which SQL engine atop Hadoop?

Since Hadoop came out, there have been various commercial and/or open-source attempts to expose some compatibility with SQL. I am seeking one which is good for low-latency querying, and supports the ...
4
votes
0answers
315 views

Self-hosted meme generator

I’m looking for a Web app (FLOSS and for self-hosting on a Linux server) that lets me add text to images. Fast and without hassle. I don’t want a full-featured image editor. Examples: imgur.com ...
4
votes
0answers
49 views

Story-based audio game for GNU/Linux

I’m looking for an audio game that is FLOSS, and runs natively on GNU/Linux. Actual human voice recordings (English), no speech synthesis. It must be possible to play it with keyboard input only. ...
4
votes
0answers
45 views

Conference proposal voting application

I'm looking for an open source conference proposal voting application that can be self-hosted. I'd love to have something like the SXSW PanelPicker, and have searched high and low and can't find ...
4
votes
0answers
57 views

Windows utility to keep all previously open files/programs on restart

I'm using a Macbook with Windows Bootcamp. I like how on Mac OSX when I reboot my laptop, my previously open programs/files start up again ready for me to continue work. Is there anything like this ...
4
votes
0answers
512 views

Polygon tessellation library

For a project I'm working on I need to be able to split arbitrary polygons (concave or convex) into triangles for rendering. The concave polygons are the most problematic so I'm looking for a library ...
4
votes
0answers
727 views

Open Source WYSIWYG HTML edition native component for Android

I have an Open Source Android app in which users modify portions of HTML content, for instance: Lorem <b>ipsum</b> dolor <i>sit</i> amet, <font size="7">consectetur ...
3
votes
0answers
27 views

Petition Software / Site — Alternatives to Change.org and MoveOn?

I am looking for a petition software / site with these characteristics: Embeddable HTML form (for third-party website, an option that Change.org had and appears to have removed) Asks people to share ...
3
votes
0answers
49 views

Library to determine whether a smartphone picture was taken with front or rear camera

I want to detect programmatically whether a picture was taken with: a front-facing camera, a rear-facing camera, or whether we can not tell. Is there a library for that? Requirements: Works ...
3
votes
0answers
27 views

Public libre collaborative calendar

I am part of a group of parents organising a rota for a "pedibus" walking ten to twenty children to school. We are currently using a Google spreadsheet that everyone can access and modify to sign up ...
3
votes
0answers
28 views

Android app to block all international calls?

I need a free or cheap application that can whitelist only my country and blacklist all other countries. It's for my mom, she's old, she answers every call and it seems spammers got her number and ...
3
votes
0answers
24 views

Software to filter audio output for static in real-time

I am looking for software that is able to filter out static from an output device in real-time. A specific application that I am using randomly outputs loud static in the form of white noise or ...
3
votes
0answers
90 views

Free software document management

I'm looking for a personal or small business document management system. I prefer free or open source solutions. The commercial systems I've seen don't seem that relevant or easy to use anyway. But ...
3
votes
0answers
535 views

Which is the best http client library based on either C or C++ in terms of performance during heavy parallel downloads?

Which is the best http client library based on either C or C++ in terms of performance during heavy parallel downloads? Currently I am looking for developing an C++ application using HTTP client ...
3
votes
0answers
89 views

Desktop e-mail client with hierarchical labels and “conversations” (threads)

I'm looking for a desktop offline e-mail client for Linux (or Haiku) which supports: A hierarchy of labels (like in GMail). An e-mail can belong to multiple labels (traditionally it is filed in a ...
3
votes
0answers
231 views

.net standard conform open source PDF library

I wanted to know if someone knows a good .NetStandard conform library to create PDFs. Task I want to perform The goal is to extend a static site generator that transforms Markdown to HTML to also ...
3
votes
0answers
473 views

Multiuser, opensource, secure password manager?

There have been many similar questions, but I have not found recommendations with the following, common requirements: Multi-user. We have a high fluctuation of devs, so all or nothing is not good ...
3
votes
0answers
60 views

Android web browser without closed source components

I'm looking for an Android web browser, that: Is free, gratis and open source (and doesn't include closed source components like Google Play Services) Uses an embedded Chromium runtime (and not a ...
3
votes
0answers
63 views

Open Source Multimedia Gallery

I need to find an open source web-app that fits (or can be enhanced to fit) the following requirements: Multimedia gallery, that displays at least a thumbnail for audio, video, image, web docs, pdf, ...
3
votes
0answers
113 views

Any mock implementations of a SSL/TLS server and client?

I had learned about SMTP by studying a c# program of a mock SMTP server implementation. In the same fashion, I want to learn about SSL/TLS. I am looking for mock implementations of a SSL/TLS server ...
3
votes
0answers
41 views

Free software to define mouse hotspots, like “point to upper left — display off”?

The title says it all -- I'd like to define mouse hotspots which, when pointed to, will, possibly after a definable delay, perform a definable action, like going to the lockscreen, blanking the ...
3
votes
0answers
14 views

Motion sequences

I'm looking for a software to script motion sequences, e.g. if you move your right hand forward press →. I have two normal webcams. It must: Be gratis and open-source Detect motion of at least: ...