Showing 698 open source projects for "open source invoice"

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    Open Directory Downloader

    Open Directory Downloader

    Indexes open directories

    Indexes open directories listings in 130+ supported formats, including FTP(S), Google Drive, Bhadoo, GoIndex, Go2Index (alternatives), Dropbox, Mediafire, GoFile, GitHub. Written in C# with .NET (Core), which means it is cross-platform! Downloading is not (yet) implemented, but is already possible when you use the resulting file into another tool (for most of the formats). When you are NOT using the self-contained releases, you need to install the latest/current Runtime version of .NET 7....
    Downloads: 3 This Week
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  • 2
    Virtuoso is a scalable cross-platform server that combines Relational, Graph, and Document Data Management with Web Application Server and Web Services Platform functionality.
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    Downloads: 55 This Week
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  • 3
    Termux:X11

    Termux:X11

    Termux X11 add-on application

    ...A minimal base system is installed automatically - additional packages are available using the APT package manager. Termux combines standard packages with accurate terminal emulation in a beautiful open-source solution. Access API endpoints with curl and use rsync to store backups of your contact list on a remote server.
    Downloads: 192 This Week
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  • 4
    Suwayomi-Server

    Suwayomi-Server

    A rewrite of Tachiyomi for the Desktop

    A free and open source manga reader server that runs extensions built for Tachiyomi. Suwayomi is an independent Tachiyomi compatible software and is not a Fork of Tachiyomi. Suwayomi-Server is as multi-platform as you can get. Any platform that runs java and/or has a modern browser can run it. This includes Windows, Linux, macOS, chrome OS, etc.
    Downloads: 86 This Week
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  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

    OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

    Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.
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  • 5
    Certbot

    Certbot

    Get free HTTPS certificates forever from Let's Encrypt

    Certbot is a fully-featured, easy-to-use, extensible client for the Let's Encrypt CA. It fetches a digital certificate from Let’s Encrypt, an open certificate authority launched by the EFF, Mozilla, and others. This certificate then lets browsers verify the identity of web servers and ensures secure communication over the Web. Obtaining and maintaining a certificate is usually such a hassle, but with Certbot and Let’s Encrypt it becomes automated and hassle-free. With just a few simple...
    Downloads: 107 This Week
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  • 6
    Simple HTTP  Server

    Simple HTTP Server

    Simple http server in Rust (Windows/Mac/Linux)

    Simple HTTP server in Rust (Windows/Mac/Linux) Windows support (with colored log). Specify listen to address (ip, port), specify running threads, and specify the root directory. Nginx like directory view (directory entries, link, filesize, modified date) Breadcrumb navigation.
    Downloads: 36 This Week
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  • 7
    Caddy

    Caddy

    Powerful, enterprise-ready, open source web server w/ automatic HTTPS

    Caddy is a powerful, extensible, enterprise-ready server platform that uses TLS by default. Everything you would require in your infrastructure, from TLS certificate renewals and OCSP stapling, to reverse proxying and ingress, Caddy simplifies it all. Its modular architecture lets you do more with just a single static binary that compiles for any platform. Caddy is the only web server that uses HTTPS automatically and by default. It automatically renews TLS certificates, staples OCSP...
    Downloads: 24 This Week
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  • 8
    CloudServer

    CloudServer

    Zenko CloudServer open-source Node.js implementation of S3 protocol

    Zenko CloudServer, an open-source Node.js implementation of the Amazon S3 protocol on the front-end and backend storage capabilities to multiple clouds, including Azure and Google.
    Downloads: 4 This Week
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  • 9
    uvicorn

    uvicorn

    An ASGI web server, for Python

    Uvicorn is an ASGI web server implementation for Python. Until recently Python has lacked a minimal low-level server/application interface for async frameworks. The ASGI specification fills this gap, and means we're now able to start building a common set of tooling usable across all async frameworks. Uvicorn currently supports HTTP/1.1 and WebSockets.
    Downloads: 9 This Week
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    Rent Manager Software

    Landlords, multi-family homes, manufactured home communities, single family homes, associations, commercial properties and mixed portfolios.

    Rent Manager is award-winning property management software built for residential, commercial, and short-term-stay portfolios of any size. The program’s fully customizable features include a double-entry accounting system, maintenance management/scheduling, marketing integration, mobile applications, more than 450 insightful reports, and an API that integrates with the best PropTech providers on the market.
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  • 10
    oha

    oha

    HTTP load generator, inspired by rakyll/hey with tui animation

    oha is a tiny program that sends some load to a web application and shows real-time tui inspired by rakyll/hey. This program is written in Rust and powered by tokio and beautiful tui by tui-rs. -q option works differently from rakyll/hey. It's set the overall query per second instead of for each worker.
    Downloads: 8 This Week
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  • 11
    urllib3

    urllib3

    Python HTTP library with thread-safe connection pooling

    urllib3 is a powerful, user-friendly HTTP client for Python. Much of the Python ecosystem already uses urllib3 and you should too. Thread safety, connection pooling. Client-side TLS/SSL verification. File uploads with multipart encoding. Helpers for retrying requests and dealing with HTTP redirects. Support for gzip, deflate, brotli, and zstd encoding. Proxy support for HTTP and SOCKS. 100% test coverage. Professional support for urllib3 is available as part of the Tidelift Subscription....
    Downloads: 7 This Week
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  • 12
    h5ai

    h5ai

    HTTP web server index for Apache httpd, lighttpd and nginx

    h5ai is a modern file indexer for HTTP web servers with a focus on your files. Directories are displayed in an appealing way and browsing them is enhanced by different views, a breadcrumb and a tree overview. Initially, h5ai was an acronym for HTML5 Apache Index but now it supports other web servers too. Requires PHP 7.0+ and works fine with Apache httpd, lighttpd and nginx. Best user experience with the latest versions of Chromium-based browsers, Firefox, Safari and Edge, but a static...
    Downloads: 6 This Week
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  • 13
    H2O

    H2O

    The optimized HTTP1, HTTP2, and HTTP3 server

    H2O is a new generation HTTP server that provides quicker response to users with less CPU utilization when compared to older generation of web servers. Designed from ground-up, the server takes full advantage of HTTP/2 features including prioritized content serving and server push, promising outstanding experience to the visitors of your web site. Full support for dependency and weight-based prioritization with server-side tweaks. Static file serving, FastCGI, reverse proxy, scriptable using...
    Downloads: 4 This Week
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  • 14
    LaravelS

    LaravelS

    LaravelS is an out-of-the-box adapter between Laravel/Lumen and Swoole

    LaravelS is an out-of-the-box adapter between Laravel/Lumen and Swoole. LaravelS uses Swoole's Synchronous IO mode, the larger the worker_num setting, the better the concurrency performance, but it will cause more memory usage and process switching overhead. If one request takes 100ms, in order to provide 1000QPS concurrency, at least 100 Worker processes need to be configured. Create WebSocket Handler class, and implement interface WebSocketHandlerInterface. The instant is automatically...
    Downloads: 3 This Week
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  • 15

    Feign

    Make writing Java http clients easier

    Feign is a Java to HTTP client binder that was built primarily to make writing Java http clients easier. Inspired by previous projects Retrofit, JAXRS-2.0 and WebSocket, Feign was designed to reduce the complexity that is often involved in binding the Denominator uniformly to HTTP APIs, no matter the ReSTfulness. Feign works by processing annotations into a templatized request, to which arguments are applied in a straightforward manner before output. While it may only support text-based...
    Downloads: 2 This Week
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  • 16
    Milkman

    Milkman

    An extensible request/response workbench

    Milkman is heavily inspired by Postman. But I got sick of all those electron-based applications that need ages and loads of memory to start up. Therefore, this is a JavaFx-based workbench for crafting requests/responses. It is not limited to e.g. HTTP (or more specifically rest) requests. Due to nearly everything being a plugin, other things are possible, like database requests or GRPC, GraphQl, etc. Request-types (e.g. Http Request), request-aspects (e.g. Headers, Body, etc), editors for...
    Downloads: 3 This Week
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  • 17
    Proxyee

    Proxyee

    HTTP proxy server,support HTTPS & websocket

    Proxyee is a JAVA-written HTTP proxy server library that supports HTTP, HTTPS, and WebSocket protocols, and supports MITM (Man-in-the-middle), which can capture and tamper with HTTP, and HTTPS packets. The CA certificate (src/resources/ca.crt) from the project needs to be imported to a trusted root certificate authority. The CA certificate (src/resources/ca.crt) from the project needs to be imported to a trusted root certificate authority. You can use the CertDownIntercept interceptor to...
    Downloads: 3 This Week
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  • 18
    Reactor Netty

    Reactor Netty

    TCP/HTTP/UDP/QUIC client/server with Reactor over Netty

    Reactor Netty offers non-blocking and backpressure-ready TCP/HTTP/UDP/QUIC clients & servers based on Netty framework. With Gradle from repo.spring.io or Maven Central repositories (stable releases only). Reactor is a fourth-generation reactive library, based on the Reactive Streams specification, for building non-blocking applications on the JVM. Reactor is fully non-blocking and provides efficient demand management. It directly interacts with Java's functional API, CompletableFuture,...
    Downloads: 2 This Week
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  • 19
    ooRexx (Open Object Rexx)
    Home of the Open Object Rexx Project. ooRexx is the open source version of IBM's Object REXX Interpreter. It is upwardly compatible with classic REXX and will execute classic REXX programs unchanged. The project is managed by the Rexx Language Association.
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    Downloads: 206 This Week
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  • 20
    sish

    sish

    HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH

    An open source serveo/ngrok alternative. Builds are made automatically for each commit to the repo and are pushed to Dockerhub. Builds are tagged using a commit sha, branch name, tag, latest if released on main. Each release builds separate sish binaries that can be downloaded from here for various OS/archs. Feel free to either use the automated binaries or to build your own.
    Downloads: 1 This Week
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  • 21
    Faraday

    Faraday

    Simple, but flexible HTTP client library, with support for backends

    Faraday is an HTTP client library abstraction layer that provides a common interface over many adapters (such as Net::HTTP) and embraces the concept of Rack middleware when processing the request/response cycle. You probably don't want to use Faraday directly in your project, as it will lack an actual client library to perform requests. Instead, you probably want to have a look at Awesome Faraday for a list of available adapters. The best starting point is the Faraday Website, with its...
    Downloads: 3 This Week
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  • 22
    shell2http

    shell2http

    Executing shell commands via HTTP server

    HTTP server to execute shell commands. Designed for development, prototyping or remote control. Settings through two command line arguments, path and shell command. With -the form-check option you can specify the regular expression for checking the form fields. To setup multiple auth users, you can specify the -basic-auth option multiple times. The credentials for basic authentication may also be provided via the SH_BASIC_AUTH environment variable. You can specify the preferred HTTP-method.
    Downloads: 1 This Week
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  • 23
    Sub-Store

    Sub-Store

    Advanced Subscription Manager for QX, Loon, Surge, Stash, etc.

    Advanced subscription manager for QX, Loon, Surge, Stash and ShadowRocket. Conversion among various formats. Subscription formatting. Collect multiple subscriptions in one URL.
    Downloads: 1 This Week
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  • 24
    Swift OpenAPI Generator

    Swift OpenAPI Generator

    Generate Swift client and server code from an OpenAPI document

    Swift OpenAPI Generator is a Swift Package plugin that reads an OpenAPI document (YAML/JSON) and emits strongly typed client and server code. It removes boilerplate around request/response wiring so you focus on business logic while keeping strict type safety. The generated code uses a separate runtime package with pluggable transports and middlewares, enabling you to swap HTTP stacks or add cross-cutting concerns without touching the API layer. Swift-idiomatic naming and code structure in...
    Downloads: 2 This Week
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  • 25
    WireMock.Net

    WireMock.Net

    WireMock.Net is a product for stubbing and mocking web HTTP responses

    Free and Open Source tool for building mock APIs. Create stable development environments, isolate yourself from flakey 3rd parties and simulate APIs that don't exist yet. WireMock frees you from dependency on unstable APIs and allows you to develop with confidence. It's easy to launch a mock API server and simulate a host of real-world scenarios and APIs - including REST, SOAP, OAuth2 and more.
    Downloads: 1 This Week
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