4484 projects for "open source invoice" with 2 filters applied:

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  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
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  • 1
    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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  • 2
    i-doit - Open Source CMDB & ITSM Tool

    i-doit - Open Source CMDB & ITSM Tool

    ITIL conform CMDB solution for documenting your entire IT landscape

    i-doit is a web based IT documentation and CMDB. i-doit documents IT-systems and their changes, defines emergency plans, displays vital information and helps to ensure a stable and efficient IT operation: The technical documentation: This means that all information can be organised (details flexibly adjusted), stored and maintained in one place. This allows simple Helpdesk, Support and Planning functions and provides the basis for quality assurance and certification. i-doit allows...
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    Downloads: 32 This Week
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  • 3
    Redis

    Redis

    An in-memory database that persists on disk

    Redis is an open-source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. Redis provides data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes, and streams. Redis has built-in replication, Lua scripting, LRU eviction, transactions, and different levels of on-disk persistence, and provides high availability via Redis Sentinel and automatic partitioning with Redis Cluster. ...
    Downloads: 42 This Week
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  • 4
    Prometheus

    Prometheus

    Open source monitoring system and time series database

    Prometheus is a leading open source systems and service monitoring solution. It works by collecting metrics from configured targets at given intervals, evaluating rule expressions, and then displaying the results. It can also signal an alert if a condition is observed to be true. What sets Prometheus apart from other monitoring systems is its highly dimensional data model, powerful query language, autonomous single server nodes, among many other distinguishing features. ...
    Downloads: 19 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
    Web-based Electronic Laboratory Notebook (ELN) with integrated Chemical Inventory by the group of Prof. Goossen (TU Kaiserslautern, Germany), based on PHP/MySQL. Allows (sub-)structure search, reaction planning, management of spectra and literature.
    Downloads: 14 This Week
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  • 6
    Grafana

    Grafana

    Leading open-source visualization and observability platform

    Grafana OSS is a leading open-source visualization and observability platform that lets you query, visualize, alert on, and explore your data—regardless of where it’s stored. With support for 100+ data source plugins (such as Prometheus, Loki, Elasticsearch, InfluxDB, SQL/NoSQL databases, OTel, and more), you can unify metrics, logs, traces, and other observability signals in one place.
    Downloads: 32 This Week
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  • 7
    TanStack DB

    TanStack DB

    A reactive client store for building super fast apps

    TanStack DB (beta) is a lightweight, embedded database-like library designed to manage structured data directly in client or server-side JavaScript environments, offering stateful data stores that work seamlessly with the TanStack ecosystem. Blazing‑fast query engine for sub‑millisecond live queries, joins & aggregates. Fine‑grained reactivity to minimize component re‑rendering. Robust transaction primitives for optimistic mutations with sync & lifecycle support. Normalized data model that...
    Downloads: 3 This Week
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  • 8
    Garnet

    Garnet

    Garnet is a remote cache-store from Microsoft Research

    ...It delivers high throughput and low‑latency performance, supports scalability via clustering (sharding, replication, key migration, checkpointing, failover, transactions), and seamlessly integrates with existing Redis clients. Garnet offers much better throughput and scalability with many client connections and small batches, relative to comparable open-source cache-stores, leading to cost savings for large apps and services. Garnet demonstrates extremely low client latencies (often less than 300 microseconds at the 99.9th percentile) using commodity cloud (Azure) VMs with Accelerated Networking enabled, which is critical to real-world scenarios.
    Downloads: 2 This Week
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  • 9
    MongoDB Community Kubernetes Operator

    MongoDB Community Kubernetes Operator

    MongoDB Community Kubernetes Operator

    The MongoDB Kubernetes Operator is an open-source controller that automates deploying and managing MongoDB clusters on Kubernetes, enabling developers and operators to run production-grade MongoDB in cloud-native environments. By defining custom resource definitions (CRDs) for MongoDB resources, the operator lets you declare cluster topology, configuration, and scaling policies as Kubernetes manifests that can be applied with standard tools like kubectl and Helm.
    Downloads: 0 This Week
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  • Desktop and Mobile Device Management Software Icon
    Desktop and Mobile Device Management Software

    It's a modern take on desktop management that can be scaled as per organizational needs.

    Desktop Central is a unified endpoint management (UEM) solution that helps in managing servers, laptops, desktops, smartphones, and tablets from a central location.
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  • 10
    Testcontainers node

    Testcontainers node

    Supports tests, providing lightweight, throwaway instances of database

    Testcontainers is an open source library for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about anything that can run in a Docker container. No more need for mocks or complicated environment configurations. Define your test dependencies as code, then simply run your tests and containers will be created and then deleted.
    Downloads: 0 This Week
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  • 11
    pgactive

    pgactive

    PostgreSQL replication extension to create an active-active database

    pgactive is an open-source extension for PostgreSQL that enables active-active replication across multiple database instances—meaning each node can accept writes and replicate changes to other nodes. Traditionally PostgreSQL supports active-standby setups (single writable master), but pgactive opens up use cases such as multi-region high-availability clusters, low-latency writes from distributed apps, and blue/green migrations where both sides are writable.
    Downloads: 0 This Week
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  • 12
    Instant

    Instant

    Instant is a modern Firebase

    Instant is a modern, frontend-friendly backend / real-time database system, designed to provide reactive, multiplayer data handling with relational query syntax, offline caching, optimistic updates, and automatic rollback. It is intended to be a simpler alternative to Firebase, making front-end development more seamless by offloading backend concerns (permissions, synchronization, querying) to Instant. So we built Instant. Instant gives you a database you can use in the client, so you can...
    Downloads: 0 This Week
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  • 13
    Flask-Migrate

    Flask-Migrate

    SQLAlchemy database migrations for Flask applications using Alembic

    Flask-Migrate is a Flask extension that integrates SQLAlchemy database migrations into Flask applications by leveraging Alembic, making schema changes easier and safer across development and deployment environments. It provides a set of command-line routines tied into Flask’s CLI such that developers can generate migration scripts, apply upgrades, and roll back changes with simple commands, keeping the database structure in sync with evolving application models. The extension handles...
    Downloads: 0 This Week
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  • 14
    MongoDB PHP Library

    MongoDB PHP Library

    The Official MongoDB PHP library

    The MongoDB PHP Library is the official high-level library that lets PHP applications interact with MongoDB using a modern, expressive API. It provides object-oriented classes for databases, collections, queries, and operations, so PHP developers can compose CRUD and aggregation pipelines without writing low-level protocol code. Built on top of the underlying MongoDB PHP extension, the library handles serialization, connection pooling, and error handling in a way that feels natural in...
    Downloads: 0 This Week
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  • 15
    ZeusDB Vector Database

    ZeusDB Vector Database

    Blazing-fast vector DB with similarity search and metadata filtering

    ZeusDB is a vector database built for fast, scalable similarity search with strong production ergonomics. It combines high-performance approximate nearest neighbor indexes with clean APIs and metadata filtering so applications can retrieve semantically relevant items at low latency. The storage layer is designed for durability and growth, supporting sharding, replication, and background compaction while keeping query tails predictable. Developers get multiple ingestion paths—batch,...
    Downloads: 0 This Week
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  • 16
    PowerUpSQL

    PowerUpSQL

    A PowerShell toolkit for attacking SQL Server

    PowerUpSQL is a PowerShell toolkit focused on auditing, discovering, and post-exploitation activities for Microsoft SQL Server environments. It bundles a wide range of functions that help enumerate SQL Server instances, configuration settings, and potentially risky features so operators and testers can quickly understand an instance's security posture. The project is aimed at internal penetration testers and red-teamers but is also useful for database administrators and defenders who want to...
    Downloads: 0 This Week
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  • 17
    The Open ISES Project
    Open Information Systems for Emergency Services (Open ISES) is a community of software developers, paramedics, EMTs, law enforcement & fire fighters working together to create open source software & training materials for the emergency service community.
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    Downloads: 5 This Week
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  • 18
    Firebird

    Firebird

    A powerful, cross platform, SQL database system

    Firebird RDBMS offers ANSI SQL features & runs on Linux, Windows & several Unix platforms. Features excellent concurrency & performance & powerful stored procedure & trigger language. More information and downloads at https://firebirdsql.org/, issue tracker is https://github.com/FirebirdSQL/firebird/issues
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    Downloads: 4,243 This Week
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  • 19
    SQuirreL SQL Client

    SQuirreL SQL Client

    A Java SQL client for any JDBC compliant database

    SQuirreL SQL Client is a graphical SQL client written in Java that will allow you to view the structure of a JDBC compliant database, browse the data in tables, issue SQL commands etc.
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    Downloads: 1,171 This Week
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  • 20
    An open-source ODBC driver manager and SDK that facilitates the development of database-independent applications on linux, freebsd, unix and MacOS X platforms.
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    Downloads: 380 This Week
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  • 21
    Scid vs. PC

    Scid vs. PC

    Chess Database and Toolkit program

    "Shane's Chess Information Database" is a huge chess toolkit with extensive database, analysis and chess-playing features. Scid vs. PC is a usability and bug-fix fork of Scid. It has many interface fixes and improvements, and is fully compatible with Scid's .si4 databases. New features include a rewritten Gamelist, Computer Tournament, and FICS, Tree, Book and Graph improvements.
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    Downloads: 893 This Week
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  • 22
    ChessX

    ChessX

    Chess Database and PGN viewer

    A free and open source chess database application for Linux, Mac OS X and Windows.
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    Downloads: 500 This Week
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  • 23
    HyperSQL Database Engine (HSQLDB)
    HSQLDB is a relational database engine written in Java, with a JDBC driver, conforming to ANSI SQL:2023. A small, fast, multithreaded engine and server with memory and disk tables, LOBs, transaction isolation, multiversion concurrency and ACID.
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    Downloads: 401 This Week
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  • 24
    Hibernate

    Hibernate

    An object relational-mapping (ORM) library for Java

    The Hibernate projects offer a suite of powerful Java libraries to work with data. It is best known for Hibernate ORM, which provides relational persistence for Java models and is an implementation of the Jakarta Persistence specification. Hibernate projects do not consistently release binaries or documentation to SourceForge anymore. For up-to-date information, refer to the Hibernate website: * Hibernate ORM: https://hibernate.org/orm/ * Hibernate Validator:...
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    Downloads: 391 This Week
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  • 25
    Catalog the content of removable volumes like CD and DVD disks for off-line searching. Folders and files can also be arranged in a single, virtual file system. Each folder of this virtual file system can contain files from many disks.
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    Downloads: 311 This Week
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