Open Source Software for Windows
Sia
Sia is a decentralized storage platform secured by blockchain technology. The Sia Storage Platform leverages underutilized hard drive capacity around the world to create a decentralized data storage marketplace that is more reliable and lower cost than traditional cloud storage providers. With Sia you can store files in the decentralized cloud without signup requirements, servers and trusted third-party providers. On average, Sia's decentralized cloud storage costs 90% less than incumbent cloud storage providers. Storing 1TB of files on Sia costs about $1-2 per month, compared with $23 on Amazon S3.
Tails
The Amnesic Incognito Live System or Tails for short is a portable operating system that protects you against surveillance and censorship. The operating system can started from a USB stick on any macOS, Linux or Windows computer, leaving no trace on that computer after it has been shutdown. Allowing you to make any computer into a Tails protect environment free of surveillance. Tails includes a variety of open source tools that can be used to browse the web, edit document and communicate saftley. Including Tor, Tor Browser, Pidgin, Network Manger, VeraCrypt, GNUPG, MAT, KeePassXC, GtkHash and many more.
Kibana
With Kibana you can visualize your Elasticsearch data and navigate the Elsatic Stack. The Kibana user interface is released free and open-source and allows you to visualize anything from query load to understanding request flows throughout your application. Kibana also integrates with popular third-party technologies such as Apache Flue, Fluentd and many more.
OpenToonz
OpenToonz is a free and open-source, 2D animation product software published by DWANGO. OpenToonz is based on the source code of Toons by Studio Ghibli and features sequence number scanning can be conducted efficiently according to in between animation numbers. Four types of scanning (black & white, colored, with or without binarization). Scan settings that can be saved and reproduced. All while being compatible with the TWAIN standards.
CloudBuckIt
One desktop application to manage all your cloud storage accounts and FTP connections. Simply connect your cloud profiles and acess them from your local computer just like any other file. CloudBuckIt integrates with Google Drive, Dropbox, Mega, OneDrive, Flickr, Amazon Cloud Drive, FTP, Box, Picasa, SugarSync, Yandex, EverNote, My pCloud and many other cloud solutions.
Zig
Zig is a general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software. It's a simple programming lanaguage that gocus on debugging your application rather than debugging your programming language knowledge. Zig provides no hidden control flow, hidden memory allocations, preprocessor and no macros. Allowing developers to write fast and clear code capable of handling all error conditions.
JanusGraph
JanusGraph is a free and open-source distributed, scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. The project is managed by The Linux Foundation and is released under the Apache Software License 2.0. Large corporations like Expero, Google, GRAKN.AI, Hortonworks, IBM and Amazon also supports the project.
VLC Media Player
A free and open-souce cross-platform multimedia player software and streaming media server. VLC Media Player has been developed openly since 2001 by the VideoLAN project and is available for desktop and mobile devices. VLC Media Player is most commonly use to view videos and movies locally on your devices.
SpeedCrunch
SpeedCrunch is a free and open-source high-precision scientific calculator. The application features a fast, keyboard-driven user interface that displays results as you type. SpeedCrunch comes with over 80 built-in mathematical functions, if that's not enough, you can define your own functions. A library of built-in formulas that allows to you to review and insert commonly used formulas is also included. SpeedCrunch can be downloaded for macOS, Linux and Windows, and is licensed under the GNU General Public License.
Joplin
Joplin is a free and open source note taking and to-do list application. Joplin can handle large number of notes organised into notebooks and allow you to write memorable notes using markdown. With Joplin your notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor.