Showing 6325 open source projects for "open source invoice"

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  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
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  • Retool your internal operations Icon
    Retool your internal operations

    Generate secure, production-grade apps that connect to your business data. Not just prototypes, but tools your team can actually deploy.

    Build internal software that meets enterprise security standards without waiting on engineering resources. Retool connects to your databases, APIs, and data sources while maintaining the permissions and controls you need. Create custom dashboards, admin tools, and workflows from natural language prompts—all deployed in your cloud with security baked in. Stop duct-taping operations together, start building in Retool.
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  • 1
    lowdb

    lowdb

    Small local JSON database powered by Lodash

    Small JSON database for Node, Electron and the browser. Powered by Lodash. You can use any of the powerful lodash functions, like _.get and _.find with shorthand syntax. Lowdb is perfect for CLIs, small servers, Electron apps and npm packages in general. It supports Node, the browser and uses lodash API, so it's very simple to learn. Actually, if you know Lodash, you already know how to use lowdb. lowdb doesn't support Cluster and may have issues with very large JSON files (~200MB). A UMD...
    Downloads: 1 This Week
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  • 2
    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: 3,965 This Week
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  • 3
    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: 1,073 This Week
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  • 4
    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: 881 This Week
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  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
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  • 5
    Apache Pegasus

    Apache Pegasus

    A consistent and high-performance key-value store

    A distributed key-value store optimized for low-latency and high-throughput applications, developed by Apache Incubator.
    Downloads: 0 This Week
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  • 6
    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: 553 This Week
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  • 7
    Knex

    Knex

    A query builder for PostgreSQL, MySQL, CockroachDB, SQL Server, etc.

    Knex.js is a flexible and portable SQL query builder for JavaScript. It supports multiple database systems, including PostgreSQL, MySQL, SQLite3, and more. Knex.js offers a powerful and intuitive API for building and executing SQL queries, making it a popular choice for Node.js applications requiring database interactions.
    Downloads: 1 This Week
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  • 8
    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: 371 This Week
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  • 9
    FlameRobin

    FlameRobin

    FlameRobin is a management GUI for Firebird

    FlameRobin is a lightweight and cross-platform administration and management GUI for the Firebird DBMS.
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    Downloads: 382 This Week
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  • Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution Icon
    Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution

    K-12 Schools, Higher Education, Businesses, Restaurants

    Rise Vision is the #1 digital signage company, offering easy-to-use cloud digital signage software compatible with any player across multiple screens. Forget about static displays. Save time and boost sales with 500+ customizable content templates for your screens. If you ever need help, get free training and exceptionally fast support.
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  • 10
    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: 820 This Week
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  • 11
    RethinkDB

    RethinkDB

    The open-source database for the realtime web

    RethinkDB is the first open-source, scalable, NoSQL database for building realtime applications. It pushes JSON to your apps in realtime and makes building realtime apps so much easier. RethinkDB exposes a new database access model where the developer can tell the database to continuously push updated query results to apps without polling for changes. This expedites the building of realtime, scalable apps while also cutting down on effort.
    Downloads: 0 This Week
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  • 12
    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: 320 This Week
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  • 13
    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: 318 This Week
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  • 14
    phpipam

    phpipam

    phpipam open-source IP address management

    phpipam is an open-source web IP address management application (IPAM). Its goal is to provide light, modern and useful IP address management. It is php-based application with MySQL database backend, using jQuery libraries, ajax and some HTML5/CSS3 features.
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    Downloads: 205 This Week
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  • 15

    ADOdb

    PHP database abstraction layer

    ADOdb is a PHP database class library to provide more powerful abstractions for performing queries and managing databases. ADOdb also hides the differences between the different databases so you can easily switch dbs without changing code. There is also an outdated and unmaintained Python library
    Downloads: 133 This Week
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  • 16
    GeoTools, the Java GIS toolkit

    GeoTools, the Java GIS toolkit

    Toolkit for working with and mapping geospatial data

    GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data. GeoTools is an Open Source Geospatial Foundation project. The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
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    Downloads: 209 This Week
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  • 17
    Client/server software, human language dictionary databases, and tools supporting the DICT protocol (RFC 2229).
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    Downloads: 94 This Week
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  • 18
    SymmetricDS

    SymmetricDS

    Database Replication, Filtered Synchronization, and Transformation

    SymmetricDS is database replication and file synchronization software. It is a platform-independent, web-enabled, and database-agnostic synchronization tool. With initial data load, bidirectional change data capture, conflict resolution, and data transformation, it is a comprehensive data replication solution.
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    Downloads: 261 This Week
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  • 19

    GT.M High end TP database engine

    Industrial Strength NoSQL Application Development Platform

    GT.M[tm] is a vetted industrial strength, transaction processing application platform consisting of a key-value database engine optimized for extreme transaction processing throughput & business continuity.
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    Downloads: 99 This Week
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  • 20
    Tulip
    Tulip is an information visualization framework dedicated to the analysis and visualization of relational data. Tulip aims to provide the developer/user with a complete library/software, supporting the design of interactive information visualization
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    Downloads: 67 This Week
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  • 21

    Report Manager

    Reporting tool, libraries and designer

    Report Manager is both a print scheme designer (report) and a high level printing (reporting) engine. Also a TCP Report Server and a Web Report Server (PDF on the fly), supports Windows and Linux. Connectivity to almost all databases is provided.
    Downloads: 56 This Week
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  • 22
    Ora2Pg is a free tool used to migrate an Oracle database to a PostgreSQL compatible schema. It connects your Oracle database, scan it automaticaly and extracts its structure or data, it then generates SQL scripts that you can load into PostgreSQL.
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    Downloads: 41 This Week
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  • 23
    The database access library for C++ programmers that provides the illusion of embedding SQL in regular C++ code, staying entirely within the C++ standard.
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    Downloads: 77 This Week
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  • 24
    Jackcess
    A pure Java library for reading from and writing to MS Access databases.
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    Downloads: 51 This Week
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  • 25
    TDBF is a native dBASE III+, dBase IV and dBase 2k data access component for Delphi, BCB, Kylix, FreePascal. It allows you to create very compact database programs which don't need any special installer programs. The DB engine code is compiled right into your executable.
    Downloads: 43 This Week
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