Assembl

Assembl is a programming language and runtime system designed for building distributed, concurrent, and fault-tolerant applications. It was developed by the Assembl team, led by Paul Graham, and is known for its emphasis on simplicity, expressiveness, and ease of use. The language is dynamically typed and features a syntax that is designed to be easy to read and write, with a focus on clarity and conciseness.

Assembl's runtime system is built on top of the Erlang virtual machine, which provides built-in support for concurrency, distribution, and fault tolerance. This allows Assembl programs to take advantage of these features without requiring the programmer to write complex code to manage them.

The language includes a number of features that are designed to make it easy to write concurrent and distributed programs. For example, it provides built-in support for message passing, which is a common paradigm for communication between concurrent processes. It also includes a number of higher-level abstractions, such as actors and channels, which can be used to simplify the process of writing concurrent and distributed code.

Assembl is open source and is available under the MIT license. It has a small but active community of users and contributors, and is used in a variety of applications, including web servers, distributed databases, and real-time systems. The language is also used as a teaching tool in a number of universities and colleges, where it is used to introduce students to the concepts of concurrency and distribution.