Free and Open Source Software
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.
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.
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.
FitoTrack
FitoTrack is a mobile app for logging and viewing your workouts. FitoTrack can show you the most important information, with detailed charts and statistics for your running, cycling and hiking. FitoTrack is available for all mobile devices that use Android or iOS.
Meteor
With Meteor you can build web, mobile and desktop apps quickly. Meteor is a free and open-source JavaScript framework that is designed to provide developers with the necessities to build applications by writing less code. Over half a million developers around the globe has chosen Meteor as their go-to framework for building scalable JavaScript applications.
Dokku
Dokku is a free and open-source project that helps you build and manage the lifecycle of applications. With Dokku developers can setup their own PaaS (Platform-as-a-Service) in a matter of minutes. Dokku provides extra plugins which can be used to manage database, and tools needed for your application. If you need to server your application over HTTPS, Dokku got you covered as well, with the help of Let's Encrypts free TLS certificates.
Apache Cassandra
Apache Cassandra is a free and open-source, distributed, wide column store, NoSQL database management system. Apache Cassandra is designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure. The database has become the choice of many organizations that need scalability and high availability without compromising performance. Apache Cassandra also provides support for replicating across multiple datacenters, providing lower latency for end users of Cassandra-powered applications.