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81 votes
Accepted

A standalone SVG editor?

How about Inkscape? It is: free and open source, has a perfectly compliant SVG format file generation and editing, can open a number of other vector formats, with the help of extensions, can ...
Alex's user avatar
  • 1,974
47 votes

Simple open-source offline Markdown viewer for Windows

If you work a lot with Notepad++ (GPLv2), you can install the MarkdownViewerPlusPlus plugin (MIT License): (According to the Github page, this plugin works for 32 and 64 bits) Alternativelly, you ...
Ismael Miguel's user avatar
36 votes

Simple open-source offline Markdown viewer for Windows

Its not really simple and lightweight, but You can use Visual Studio Code, it has a Markdown preview built-in. This way you can view the source and the rendered preview side-by-side. To display images ...
knb's user avatar
  • 3,110
22 votes

Simple open-source offline Markdown viewer for Windows

I use Typora free (commercial license, not open source) markdown editor for Windows/Mac/Linux because it works very fast. The latest version of Typora is currently a beta version and it's free ...
karel's user avatar
  • 1,661
11 votes

Simple open-source offline Markdown viewer for Windows

Returning to this two years later, I definitely no longer recommend MarkdownPad. I use Visual Studio Code, same as the currently top-rated answer. I use MarkdownPad. It's free for most use cases, but ...
Michael Brandon Morris's user avatar
10 votes

A standalone SVG editor?

As already mentioned I would go with Inkscape if you want a full featured SVG editor with great design capabilities and powerful tools. If you want something simpler however, are looking for a web ...
Duarte Farrajota Ramos's user avatar
7 votes

Simple open-source offline Markdown viewer for Windows

CuteMarkEd is a free and open source markdown editor. It fits all listed requirements: Simple and lightweight: Download the zip file extract and finished (no Installation required, Zip file is ...
Vulcano's user avatar
  • 171
6 votes

Simple open-source offline Markdown viewer for Windows

I like using one program for everything. I use SublimeText, which is free for evaluation just like WinRar, for almost any text editing purposes and there's almost always a plugin for a certain type of ...
John Hamilton's user avatar
5 votes

Viewer for huge JSON files on Windows

Disclaimer: I'm the author of JSONBuddy. JSONBuddy can do all of this for you and even more: Can open and edit very large JSON and text data (please use the Plus edition if you need to edit multi-GB ...
Clemens's user avatar
  • 171
5 votes

Viewer for huge JSON files on Windows

In case I want to open truly very large files (logs from application for example), then my preferred solution is to load this file into the local mongo database (it is for free) and then use some ...
Jiri Vrabec's user avatar
5 votes

Offline alternative to OneNote / Evernote

I've started using Joplin after OneNote managed to delete all my data. It has a rich text editor built in but I'd recommend using the Markdown editor (write in Markdown with a WYSIWYG output to see ...
Tom's user avatar
  • 151
5 votes

Linux emoji input

Albert Try albert with Python Extensions. It looks good and modern. It works independent of any other program. You simply use a hotkey to call albert overlay, type : and then a substring of an emoji ...
banan3'14's user avatar
  • 151
5 votes

Simple open-source offline Markdown viewer for Windows

I mainly use other softwares on linux for my markdowns, but when I need to edit them in windows I use ghostwriter. It may lack some advanced features (e.g. external themes/fonts support), but it is a ...
fra's user avatar
  • 151
4 votes

A standalone SVG editor?

Any semi-decent vector editing application should fulfil your requisites (except being free). In addition to the already mentioned Inkscape, Gravit Designer is a good choice (you can use it both in ...
user137369's user avatar
4 votes

C# library to read PPTX files

Check out SyncFusion's DocIO and specifically https://www.syncfusion.com/products/file-formats/presentation There is a community edition that you may qualify for (has a generous upper limit if you ...
TheEdge's user avatar
  • 161
4 votes
Accepted

Change current date and time for a specific application only

The famous Nir Sofer (Nir Soft) has a tool called RunAsDate, it: allows you to run a program in the date and time that you specify. This utility doesn't change the current system date and ...
Yisroel Tech's user avatar
  • 1,622
4 votes

Simple open-source offline Markdown viewer for Windows

I would recommend Atom editor. You will need to install Markdown Preview but a big advantage is that there is large amount of additional plugins for handling markdown. The preview is opened via Ctrl + ...
Tomáš Zato's user avatar
4 votes

Simple open-source offline Markdown viewer for Windows

There is also Mark Text. It's under MIT License. But I don't know if it falls into the anything else that requires usage of browser category!
Dorminum's user avatar
4 votes

Simple open-source offline Markdown viewer for Windows

I can advertise a tool that I wrote in my spare time. It is not exactly light weight, since it is based on the Electron framework (like VS Code and many others). But it is very simple, because it is ...
Christian Dreier's user avatar
4 votes
Accepted

Command line SQL formatter or beautifier

Prettier integrates with editors and Git, has a command-line interface, and a SQL plugin.
mustaccio's user avatar
  • 206
4 votes
Accepted

Offline autocue (teleprompter) program for Windows?

QPrompt https://qprompt.app/ https://github.com/Cuperino/QPrompt-Teleprompter Teleprompter software for all video creators. Built with ease of use, productivity, control accuracy, and smooth ...
Gounou's user avatar
  • 846
3 votes

Lightweight contact manager for Linux with import & export feature

Old question but maybe someone needs an alternative. See Evolution. Osmo seems lightweight but it seems not to support vCard so I ended up using Evolution. It is not as "lightweight" as Osmo what ...
pirho's user avatar
  • 133
3 votes

Small utility to generate SSHA passwords?

I know this question is fairly old, but I reached it by looking for a tool with those specific requirements. I ended up at this web implementation: https://iguana.alerque.com/slappasswd.html It's ...
Alpha's user avatar
  • 141
3 votes

Offline map browser on Android with offline search

For people who are into hiking, I can recommend the Mapy.cz app. It meets all the Absolute requirements* and provides (offline option included) 'Cycling and hiking maps of the world with marked trails ...
Ape's user avatar
  • 131
3 votes

Offline map browser on Android with offline search

I am going to recommend Maps - Navigation & Transit by Google. Based on your absolute requirements: Runs on Android. Check Provides downloadable offline maps for the places I travel to. Check I ...
MrCodeWeaver's user avatar
3 votes

Offline Code Snippet Manager

You can try BoostNote, which has organizer of snippets. Maybe it dont have categories, but it has "tags" to mark notes with names of smth. It is free.
RProgram's user avatar
  • 1,296
3 votes

Portable QR Code (QRcode) generation app for Windows

I’ve been using Zint Barcode Studio, it handles 50 different barcode formats including QRcode(2008), open source and portable (will exe from USB stick)! http://www.sourceforge.net/projects/zint ...
Silvertip45's user avatar
3 votes

Software for offline collaborative writing

Etherpad meets your requirements, as far as I understand: Collaborative text editor with a web interface. Supports Windows/Unix/Mac. Fully open source. Installation is straightforward. You didn't ...
default locale's user avatar
3 votes

Android app that only displays the pictures within a particular folder

You can use Camera Roll for this. It allows to create virtual folders, and hide folders. So you could e.g. hide all folders but the one you want to see. Camera Roll is available at F-Droid and in the ...
Izzy's user avatar
  • 18.9k

Only top scored, non community-wiki answers of a minimum length are eligible