1.
Komodo IDE By ActiveState - One IDE for All Your Languages
https://www.activestat
.com/products/komodo-ide/

Code faster with Komodo IDE from ActiveState. Best multi-language IDE for today's web languages - Python, PHP, Perl, Golang, Ruby and more.

2.
GNU Octave
https://octav
.org/

GNU Octave is a programming language for scientific computing.

3.
GraalVM
https://www.graalv
.org/

GraalVM is an advanced JDK with ahead-of-time Native Image compilation.

4.
ZeroMQ
https://zerom
.org/

An open-source universal messaging library

5.
Flutter - Build apps for any screen
https://flutte
.dev/

Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.

6.
gRPC
https://grp
.io/

A high performance, open source universal RPC …

8.
TypeScript: JavaScript With Syntax For Types.
https://www.typescriptlan
.org/

TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.

9.
Transcrypt - Python in the browser - Lean, fast, open!
https://www.transcryp
.org/

The Transcrypt Python to JavaScript compiler makes it possible to program lean and fast browser applications in Python. Transcrypt applications can use any JavaScript library and can also run on top of Node.js or be used in combination with Django.