Showing 119 open source projects for "source"

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  • 1
    Twitter Util

    Twitter Util

    Wonderful reusable code from Twitter

    Twitter Util is a collection of utility libraries used at Twitter, covering concurrency (Futures, Promises), timing, caching, I/O helpers, validation, stats collection, and Scala–Java interoperability. Designed for reliability and efficiency in high-scale systems.
    Downloads: 0 This Week
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  • 2
    Scrooge

    Scrooge

    A Thrift parser/generator

    Scrooge is a thrift code generator written in Scala, which currently generates code for Scala, Java, Cocoa, Android, and Lua. It’s meant to be a replacement for the Apache thrift code generator and generates conforming, binary-compatible codecs by building on top of libthrift. Since Scala is API-compatible with Java, you can use the apache thrift code generator to generate Java files and use them from within Scala, but the generated code uses Java collections and mutable “bean” classes,...
    Downloads: 0 This Week
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  • 3
    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...
    Downloads: 0 This Week
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  • 4
    FiloDB

    FiloDB

    Distributed Prometheus time series database

    FiloDB is an open-source distributed, real-time, in-memory, massively scalable, multi-schema time series / event / operational database with Prometheus query support and some Spark support as well. The normal configuration for real-time ingestion is deployment as stand-alone processes in a cluster, ingesting directly from Apache Kafka. The processes form a cluster using peer-to-peer Akka Cluster technology.
    Downloads: 6 This Week
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    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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  • 6
    Rocket Chip

    Rocket Chip

    Rocket Chip Generator

    Rocket Chip is a parameterized RISC-V SoC generator written in Chisel that produces synthesizable RTL for a wide range of cores and configurations. At its heart is the Rocket core, a simple, in-order, five-stage RISC-V implementation, but the generator composes much more: coherent caches, MMUs, interrupt controllers, and buses via the TileLink interconnect. A diplomacy framework (LazyModules) lets designers wire components with negotiated parameters, enabling reuse and rapid exploration of...
    Downloads: 0 This Week
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  • 7
    osm4scala

    osm4scala

    Reading OpenStreetMap Pbf files.

    Scala and polyglot Spark library (Scala, PySpark, SparkSQL, ... ) focused on reading OpenStreetMap Pbf files.
    Downloads: 0 This Week
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  • 8
    Spire

    Spire

    Powerful new number types and numeric abstractions for Scala

    Spire is a numeric and algebraic library for Scala, offering type-safe, generic, and high-precision arithmetic. It introduces abstractions like Rings, Fields, and Rationals and supports specialized number types (e.g. Rational, Complex, Interval), macros, and seamless integration with Cats for abstract numeric programming.
    Downloads: 0 This Week
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  • 9
    Monix

    Monix

    Asynchronous, Reactive Programming for Scala and Scala.js

    Monix is a high-performance, reactive, and asynchronous programming library for Scala and Scala.js. Built as a Typelevel project, it provides advanced abstractions like Task, Observable, Iterant, and Coeval, enabling compositional, back-pressure‑aware event-driven systems that integrate cleanly with Cats Effect and Reactive Streams.
    Downloads: 8 This Week
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  • 10
    CoolplaySpark

    CoolplaySpark

    Spark Cool Play: Spark source code analysis, Spark class library, etc.

    CoolplaySpark is a learning and practice repository designed to help users understand and work with Apache Spark. It serves as a companion resource for the book 深入理解Spark核心思想与源码分析 (In-Depth Understanding of Spark’s Core Concepts and Source Code Analysis). The project contains annotated examples, explanations, and exercises that guide learners through Spark’s architecture, execution model, and source code internals. It is particularly valuable for developers who want to strengthen their understanding of Spark by not only using it as a data processing engine but also exploring how its internals function. ...
    Downloads: 0 This Week
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  • 11
    Vale

    Vale

    Compiler for the Vale programming language

    Vale is a systems programming language and compiler that strives to combine performance, safety, and ease in a way that avoids many of the complexities of traditional memory management techniques. It is ahead-of-time (AOT) compiled, targeting LLVM as a backend, and is statically typed. The language introduces a concept called generational references to provide memory safety without relying on a garbage collector, and aims for “safe without a borrow checker” (i.e. reducing the burden on the...
    Downloads: 0 This Week
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  • 12
    Lagom

    Lagom

    Reactive Microservices for the JVM

    ...The build hot-reloads when it detects changes to source code.
    Downloads: 4 This Week
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  • 13
    atto

    atto

    Friendly little parsers

    Atto is a compact, pure-functional, incremental text parsing library for Scala. It offers a non-invasive API using familiar abstractions, making it a principled tool for everyday parsing tasks in functional programming.​
    Downloads: 3 This Week
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  • 14
    Spark JobServer

    Spark JobServer

    REST job server for Apache Spark

    Spark Job Server offers a RESTful interface for submitting, managing, and running jobs or contexts on Apache Spark. Rather than requiring every application to embed Spark or manage Spark contexts manually, this server abstracts a long-lived service where clients can upload JARs, start and stop contexts, submit jobs synchronously or asynchronously, and manage named objects (RDDs / DataFrames) across job executions. It supports multiple modes (transient jobs, persistent contexts for reuse,...
    Downloads: 8 This Week
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  • 15
    Prisma 1

    Prisma 1

    Database Tools incl. ORM, migrations and admin UI

    Prisma is the perfect tool for building GraphQL servers. The Prisma client is compatible with the Apollo ecosystem, has default support for GraphQL subscriptions and Relay-style pagination, provides end-to-end type safety and comes with a built-in dataloader to solve the N+1 problem. Prisma replaces traditional ORMs and simplifies database workflows. Access, Type-safe database access with the auto-generated Prisma client (in JavaScript, TypeScript, Go). Migrate, declarative data modeling and...
    Downloads: 7 This Week
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  • 16
    RISC-V BOOM

    RISC-V BOOM

    SonicBOOM: The Berkeley Out-of-Order Machine

    The riscv-boom project (also called BOOM or SonicBOOM) implements a high-performance, synthesizable out-of-order RISC-V core written in the Chisel hardware construction language. It targets the RV64GC (i.e. 64-bit with general + compressed + floating point) instruction set and supports features such as virtual memory, caches, atomics, and IEEE-754 floating point. The design is parameterizable, meaning users can tune pipeline widths, buffer sizes, functional units, and other...
    Downloads: 0 This Week
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  • 17
    Marathon

    Marathon

    Deploy and manage containers (including Docker) on top of Apache Mesos

    A container orchestration platform for Mesos and DC/OS. Deploy and manage containers (including Docker) on top of Apache Mesos at scale. Marathon is a production-grade container orchestration platform for Mesosphere’s Datacenter Operating System (DC/OS) and Apache Mesos. Marathon has first-class support for both Mesos containers (using cgroups) and Docker. Marathon runs as an active/passive cluster with leader election for 100% uptime. Marathon can bind persistent storage volumes to your...
    Downloads: 0 This Week
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  • 18
    Mozart-Oz Programming System

    Mozart-Oz Programming System

    Runtime and development environment of Oz

    The Mozart Programming System is an open source implementation of the programming language Oz 3. Oz is a multi-paradigm language that supports declarative programming, object-oriented programming, constraint programming, concurrency and distributed programming as part of a coherent whole.
    Downloads: 16 This Week
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  • 19
    Assorted projects. General-purpose libraries for Python, C++, Scala, bash, and others. Meta-programming tools. System utilities. UI components. Web APIs. Configuration files. Benchmarks. Programming competition entries. And much more.
    Downloads: 1 This Week
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  • 20
    TextTeaser

    TextTeaser

    TextTeaser is an automatic summarization algorithm

    textteaser is an automatic text summarization algorithm implemented in Python. It extracts the most important sentences from an article to generate concise summaries that retain the core meaning of the original text. The algorithm uses features such as sentence length, keyword frequency, and position within the document to determine which sentences are most relevant. By combining these features with a simple scoring mechanism, it produces summaries that are both readable and informative....
    Downloads: 4 This Week
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  • 21
    Scalding

    Scalding

    A Scala API for Cascading

    Scalding is a Scala DSL built on Cascading that simplifies writing Hadoop MapReduce jobs. It lets users describe data transformations using Scala’s functional abstractions, while abstracting away low-level Hadoop boilerplate. It enables expressive and testable pipeline definitions and integrates with various input/output formats.
    Downloads: 0 This Week
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  • 22
    Graphcool Framework

    Graphcool Framework

    Graphcool is an open-source backend development framework

    Graphcool was an open-source framework for developing and deploying GraphQL-based backends. It acts as a “backend-as-a-service / framework” that lets you define your data model via GraphQL SDL (Schema Definition Language), and in turn generates a GraphQL CRUD API, supports nested mutations, filtering, pagination, and real-time subscriptions. Graphcool separates the business logic from stateful storage components, allowing the stateful parts (database, subscription engine) to scale independently and giving flexibility in how you compose your system. ...
    Downloads: 0 This Week
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  • 23
    s3_website

    s3_website

    Manage an S3 website: sync, deliver via CloudFront

    s3_website is a Ruby gem that automates the deployment of static websites to AWS S3 and optionally CloudFront. It handles site configuration, uploads, cache control, gzip compression, redirects, and supports Jekyll, Nanoc, and Middleman out of the box. Ideal for static site hosting without manual AWS setup.
    Downloads: 8 This Week
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  • 24

    conf4h

    Yet another configuration framework for JVM languages.

    This is a continuation of "Treecster" project - a tree-like configuration framework suitable for software suites with multiple environments, applications, instances, and other complications. conf4j stands for "Configuration for humans." The development of the project is suspended due to lack of significant benefits over Treecster.
    Downloads: 0 This Week
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  • 25
    lichess.org

    lichess.org

    The forever free, ad-free and open source chess server

    lichess.org (also known as Lila - lichess in Scala) is a free and open source chess server written in Scala 2.13 that focuses on real time gameplay and ease of use. It’s where countless chess players and chess enthusiasts can gather and watch or play from a selection of over a million games every day, analyze games, learn and improve their playing. lichess is equipped with a search engine, computer analysis, tournaments, exhibitions, a mobile app, a shared analysis board, and so much more. ...
    Downloads: 20 This Week
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