Open Source Scala Software - Page 5

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Browse free open source Scala Software and projects below. Use the toggles on the left to filter open source Scala Software by OS, license, language, programming language, and project status.

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  • 1
    Finagle

    Finagle

    A fault tolerant, protocol-agnostic RPC system

    Finagle is an extensible RPC system for the JVM, used to construct high-concurrency servers. Finagle implements uniform client and server APIs for several protocols, and is designed for high performance and concurrency. Most of Finagle’s code is protocol agnostic, simplifying the implementation of new protocols. Finagle is written in Scala, but provides both Scala and Java idiomatic APIs. Finagle is a protocol-agnostic, asynchronous RPC system for the JVM that makes it easy to build robust clients and servers in Java, Scala, or any JVM-hosted language. We set out to develop a single implementation of the basic components of network servers and clients that could be used for all of our protocols. Finagle is a protocol-agnostic, asynchronous Remote Procedure Call (RPC) system for the Java Virtual Machine (JVM) that makes it easy to build robust clients and servers in Java, Scala, or any JVM-hosted language.
    Downloads: 0 This Week
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  • 2
    Finatra

    Finatra

    Fast, testable, Scala services built on TwitterServer and Finagle

    Finatra builds on TwitterServer and uses Finagle, therefore it is highly recommended that you familiarize yourself with those frameworks before getting started. The version of Finatra documented here is version 2.x. Version 2.x is a complete rewrite over v1.x and as such many things are different. Finatra at its core is agnostic to the type of service or application being created. It can be used to build anything based on TwitterUtil: c.t.app.App. For servers, Finatra builds on top of the features of TwitterServer (and Finagle) by allowing you to easily define a Server and controllers (a Service-like abstraction) which define and handle endpoints of the Server. You can also compose Filters either per controller, per route in a controller, or across all controllers. Powerful Feature and Integration test support. Optional JSR-330 Dependency Injection using Google Guice.
    Downloads: 0 This Week
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  • 3
    Finch

    Finch

    Scala combinator library for building Finagle HTTP services

    Finch is a thin layer of purely functional basic blocks atop of Finagle for building composable HTTP APIs. Its mission is to provide the developers with simple and robust HTTP primitives being as close as possible to the bare metal Finagle API.
    Downloads: 0 This Week
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  • 4
    Flix

    Flix

    The Flix Programming Language

    Flix is a statically typed programming language combining functional, imperative, and logic paradigms, with first‑class Datalog constraints and a polymorphic effect system. Designed to run on the JVM, Flix enforces purity tracking at compile time, supports algebraic data types, tail‑call elimination, and allows entire Datalog programs as values.
    Downloads: 0 This Week
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  • 5
    FlockDB

    FlockDB

    A distributed, fault-tolerant graph database

    FlockDB is a specialized graph / adjacency-list storage system designed for high performance in large-scale, low-latency, real-time environments. It was developed at Twitter to store social graph data (followers, following, blocks, etc.) and secondary indexes. FlockDB emphasizes horizontal scalability, replication, and support for high rates of writes and updates, as well as efficient paging through very large result sets. It is not a general graph database in the sense of supporting complex multi-hop traversal queries or sophisticated graph algorithms; instead it focuses on the core problem of storing and querying directed edges with attributes such as sort order, state (normal, archived, removed), and position. Edges are stored both in forward and backward directions to facilitate queries in both directions. The project is now archived and in read-only mode, meaning it's no longer actively maintained by Twitter.
    Downloads: 0 This Week
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  • 6

    GeckoCIRCUITS

    GeckoCIRCUITS is THE circuit simulator for modeling power electronics

    GeckoCIRCUITS is THE circuit simulator for modeling power electronics systems. Besides its fast circuit simulation capability, GeckoCIRCUITS combines control modelling and thermal simulations via equivalent networks in an easy-to-use software package. GeckoCIRCUITS has its strengths in the extremely high simulation speed and its open interface. The software can be integrated into MATLAB/Simulink or other programming environments.
    Downloads: 0 This Week
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  • 7
    GhostTrap
    GhostTrap is a classic 3-in-a-row puzzle game (like Zookeeper / Bejuweled) written in the Scala programming language on top of the JVM
    Downloads: 0 This Week
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  • 8
    Giter8

    Giter8

    A command line tool to apply templates defined on GitHub

    giter8 is a command-line utility and templating tool used to generate new projects or code structures from templates. The core idea is that you can define a “template repository” (e.g. on GitHub) with placeholders, variables, and a folder structure, and giter8 will clone it and substitute in values (e.g. project name, package, author) to produce a ready-to-go scaffold. It’s commonly used in the Scala / JVM ecosystem to bootstrap new applications or libraries, letting developers avoid repetitive boilerplate setup. The tool supports interactive prompting (asking the user for variable values) or passing parameters non-interactively to generate customized templates. Because it's general, it can be used for anything that fits templating (microservices, builds, documentation, modules, etc.). giter8 is light, extensible, and well-adopted in Scala communities (e.g. many scaffolding tools or frameworks provide giter8 templates).
    Downloads: 0 This Week
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  • 9
    Gizzard

    Gizzard

    Framework for creating eventually-consistent distributed datastores

    Gizzard is a Scala framework originally developed by Twitter for building scalable, fault-tolerant, distributed key-value stores that can be sharded and replicated. It provides infrastructure for routing requests through shard trees, splitting or rebalancing shards dynamically, failover, and migrations. In Gizzard, data is stored in underlying storage shards (which could be databases or other stores) and Gizzard handles the process of routing requests correctly as the cluster topology changes. Gizzard's architecture is designed for operational flexibility: you can change the shard layout over time, reassign replicas, migrate data between nodes, and have requests redirected during transitions. It also supports secondary indexing and provides hooks for custom logic in migrations and consistency. Because Gizzard handles much of the complexity of shard routing and cluster transitions, it was used to support large-scale, evolving storage backends in production.
    Downloads: 0 This Week
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  • 10
    HiveMind Java Web Application Cloud IDE

    HiveMind Java Web Application Cloud IDE

    Web development IDE in browser, supports Java, ruby, javascript...etc

    HiveMind is a browser based web development that combines an application container (jetty), a middleware and a developer environment that runs in the browser. It runs on the jvm so you are not limited by environment. You can run it on your laptop, company server or even on a cloud service like AWS. It supports Java, Ruby, Python, JavaScript, Groovy, Clojure. Source include so it is easy to hack so you can modify it for your own need.
    Downloads: 0 This Week
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  • 11
    Http4s

    Http4s

    A minimal, idiomatic Scala interface for HTTP

    Http4s is a minimal, idiomatic Scala interface for HTTP services. Http4s is Scala's answer to Ruby's Rack, Python's WSGI, Haskell's WAI, and Java's Servlets. http4s servers and clients share an immutable model of requests and responses. Standard headers are modeled as semantic types, and entity codecs are done by typeclass. The pure functional side of Scala is favored to promote composability and easy reasoning about your code. I/O is managed through cats-effect. http4s is built on FS2, a streaming library that provides for processing and emitting large payloads in constant space and implementing websockets. http4s cross-builds for Scala.js and Scala Native. Share code and deploy to browsers, Node.js, native executable binaries, and the JVM.
    Downloads: 0 This Week
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  • 12
    IGS Go client for Windows Mobile and Android devices
    Downloads: 0 This Week
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  • 13
    ImageServlet is a Java based Servlet that produces images using the Graphics2D Java API to return them via standard URLs so that they can be used in HTML,JSP and CSS files.
    Downloads: 0 This Week
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  • 14
    Inhaler

    Inhaler

    speed reading tool

    Inhaler is a speed reading tool programmed in scala using swing. It features variable reading speed and font size. It is licensed under GPL.
    Downloads: 0 This Week
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  • 15
    IntelliJ plugin for Haskell

    IntelliJ plugin for Haskell

    IntelliJ plugin for Haskell

    When I was learning Haskell, I missed the nice features of IntelliJ IDEA. My first approach was to use the default way of creating an IntelliJ plugin by defining a grammar and a lexer according to Haskell report. That didn't work out because I could not define all the recursion. Then I decided to use grammar and lexer definitions only for tokenizing and parsing Haskell code, and not for syntax checking the code. This is needed for syntax highlighting, all kinds of navigation, and so on. Further Haskell language support is provided with the help of external tools. Show error action to view formatted messages. Useful in case message consists of multiple lines (Ctrl-F10, Meta-F10 on Mac OSX); Intention actions to add language extension (depends on compiler error), add top-level type signature (depends on compiler warning). Intention action to select which module to import if the identifier is not in scope.
    Downloads: 0 This Week
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  • 16
    Isabelle/Eclipse

    Isabelle/Eclipse

    Eclipse integration for Isabelle proof assistant

    Eclipse plug-ins that provide Prover IDE for Isabelle proof assistant, based on Isabelle/Scala framework. Isabelle/Eclipse started as a port of Isabelle/jEdit Prover IDE to integrate with Eclipse IDE as plug-ins. The integration uses common Eclipse components to provide theory editing, correct symbols, completion assistance, prover output and other features. By building on Eclipse it inherits various IDE goodies out of the box. This SourceForge project is used to distribute Isabelle/Eclipse files - the source code and issue management is available on GitHub: http://github.com/andriusvelykis/isabelle-eclipse Visit Isabelle/Eclipse website at http://andriusvelykis.github.com/isabelle-eclipse
    Downloads: 0 This Week
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  • 17

    JASI - Java Event-Based Simulation Frame

    JASI - Java Event-Based Simulation Framework

    The JASI library provides an architecture based on a simulation kernel and elementary classes for simulation elements and event to build event-based simulation systems in Java.
    Downloads: 0 This Week
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  • 18
    JCR Blog

    JCR Blog

    Blogging system based on JSR 170 / 283 (Java Content Repository).

    Downloads: 0 This Week
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  • 19

    JOPUX

    JOPUX - a flexible and scalable application platform!

    JOPUX is a Linux-distribution and family of free open source Linux appliances, built on openSUSE and Gnome, and designed for quickly setup and running Linux on servers and workstations. With a fully documented library of resources, JOPUX allows the customization of every aspect of a Linux installation and cloning, including administration and the rapid integration with third-party applications JOPUX provides more developer power while making the user experience all the more friendly. For those who always wanted increased extensibility, JOPUX can make this happen.
    Downloads: 0 This Week
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  • 20
    JVMLense

    JVMLense

    The open source profiler for the jvm.

    Get an inside view of your application. Find bottlenecks by looking at the development of the duration of your main business methods over time even in production. Find the cause of those bottlenecks by applying the profiling capabilities of JVMLense.
    Downloads: 0 This Week
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  • 21
    Jawn

    Jawn

    Jawn is for parsing jay-sawn (JSON)

    The term "jawn" comes from the Philadelphia area. It conveys about as much information as "thing" does. I chose the name because I had moved to Montreal so I remembered Philly fondly. Also, there isn't a better way to describe objects encoded in JSON than "things". Finally, we get a catchy slogan. Jawn was designed to parse JSON into an AST as quickly as possible. Currently, Jawn is competitive with the fastest Java JSON libraries (GSON and Jackson) and in the author's benchmarks, it often wins. It seems to be faster than any other Scala parser that exists (as of July 2014).
    Downloads: 0 This Week
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  • 22

    Jcate

    a massive irc bot

    a massive java/scala irc bot
    Downloads: 0 This Week
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  • 23
    Kamon Telemetry

    Kamon Telemetry

    Distributed Tracing, Metrics and Context Propagation for applications

    Kamon Telemetry is a set of libraries for instrumenting applications running on the JVM. With Kamon Telemetry you can collect metrics, propagate context across threads and services, and get distributed traces automatically. The best way to get started is by following our installation guides and taking it from there. Have fun with Kamon. Monitor your backend applications, fix performance issues, and get alerted when problems happen. All without being a monitoring expert. Everybody starts monitoring with logs because they are there by default. Just connect to your server and start tailing. But logs have a hard time showing you the overall response times for your application, or whether certain calls to the database are happening in sequence or parallel (among a million other things).
    Downloads: 0 This Week
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  • 24
    Kestrel

    Kestrel

    Simple, distributed message queue system (inactive)

    Kestrel is a simple, distributed message queue system built originally by Twitter. Its design is relatively lightweight and is engineered for speed and simplicity. Kestrel supports queuing patterns such as enqueue, dequeue, and delayed re-enqueue (for example, when a consumer fails to process a message). It stores messages persistently on disk with a memory-backed cache, allowing recovery in case of failures. Because it is intended for relatively simple use cases, it does not provide the full feature set of some enterprise messaging systems, but is often sufficient for many asynchronous or buffered workloads. Over time, the project became inactive and is now archived. Its minimalism and ease of integration made it appealing for smaller or more controlled message-queueing needs.
    Downloads: 0 This Week
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  • 25
    LGT is a JNI library built on fundamental API's such as Gdiplus on win-platforms. OpenGL/DirectX support is also scheduled in future development.
    Downloads: 0 This Week
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