Showing 768 open source projects for "open source invoice"

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    Cloud tools for web scraping and data extraction

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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
    TimescaleDB

    TimescaleDB

    An open-source time-series SQL database optimized for fast ingest

    TimescaleDB is the open-source relational database for time-series and analytics. Build powerful data-intensive applications. Become instantly productive with full SQL. Rely on the same PostgreSQL you know, love, and trust. Hyperfunctions make time series easier. Achieve 10-100x faster queries than with vanilla PostgreSQL, InfluxDB, MongoDB. Write millions of data points per second per node.
    Downloads: 63 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
    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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  • Trumba is an All-in-one Calendar Management and Event Registration platform Icon
    Trumba is an All-in-one Calendar Management and Event Registration platform

    Great for live, virtual and hybrid events

    Publish, promote and track your events more affordably and effectively—all in one place.
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  • 5
    Greenplum Database

    Greenplum Database

    Massive parallel data platform for analytics, machine learning and AI

    Rapidly create and deploy models for complex applications in cybersecurity, predictive maintenance, risk management, fraud detection, and many other areas. With its unique cost-based query optimizer designed for large-scale data workloads, Greenplum scales interactive and batch-mode analytics to large datasets in the petabytes without degrading query performance and throughput. Based on PostgreSQL, Greenplum provides you with more control over the software you deploy, reducing vendor...
    Downloads: 21 This Week
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  • 6
    HDF5

    HDF5

    Official HDF5® Library Repository

    HDF5 (Hierarchical Data Format v5) is a widely-used data management library and file format for storing large and complex scientific data sets efficiently.
    Downloads: 36 This Week
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  • 7
    MyDumper

    MyDumper

    MyDumper project

    ...It has 2 tools. mydumper which is responsible to export a consistent backup of MySQL databases. myloader reads the backup from mydumper, connects the to destination database and imports the backup. Both tools use multithreading capabilities. MyDumper is Open Source and maintained by the community, it is not a Percona, MariaDB or MySQL product. Parallelism (hence, speed) and performance (avoids expensive character set conversion routines, efficient code overall) Easier to manage output (separate files for tables, dump metadata, etc, easy to view/parse data) Consistency - maintains snapshot across all threads, provides accurate master and slave log positions, etc. ...
    Downloads: 9 This Week
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  • 8
    Cloudberry

    Cloudberry

    One advanced and mature open-source MPP

    Apache Cloudberry is a distributed real-time analytics engine designed for querying massive social media datasets. It integrates with Apache AsterixDB and supports efficient ad-hoc queries and aggregations across large volumes of data. Cloudberry is especially useful for dashboards, trend analysis, and time-series social data exploration.
    Downloads: 7 This Week
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  • 9
    sqlite-vec

    sqlite-vec

    A vector search SQLite extension that runs anywhere

    A vector search SQLite extension that runs anywhere.
    Downloads: 5 This Week
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    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 10
    pgAudit

    pgAudit

    PostgreSQL Audit Extension

    pgaudit is a PostgreSQL extension that provides detailed session and object-level auditing to meet compliance and security requirements. It extends the standard PostgreSQL logging capabilities by capturing structured audit logs for activities such as DML, DDL, and role changes. Designed for environments that require traceability, pgaudit makes it easier to track who did what, when, and where in a database.
    Downloads: 5 This Week
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  • 11
    ZhParser

    ZhParser

    PostgreSQL extension for full-text search of Chinese language

    zhparser is a PostgreSQL extension for full-text search of Chinese text. It integrates with PostgreSQL's text search engine to tokenize Chinese characters using a dictionary-based segmentation algorithm. zhparser is a valuable tool for improving search accuracy and performance in Chinese-language applications.
    Downloads: 2 This Week
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  • 12
    MongoDB C Driver

    MongoDB C Driver

    The Official MongoDB driver for C language

    The MongoDB C Driver is the official client library for MongoDB, enabling C and C++ applications to interact with MongoDB databases efficiently. It provides a robust and scalable interface for building applications that require document-based data storage.
    Downloads: 1 This Week
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  • 13
    pg_squeeze

    pg_squeeze

    A PostgreSQL extension for automatic bloat cleanup

    pg_squeeze is a PostgreSQL extension that reclaims space in bloated tables without blocking read or write access. It provides a non-intrusive alternative to VACUUM FULL by creating a new compacted copy of the table in the background. It’s particularly useful for maintaining performance in large, heavily updated databases.
    Downloads: 1 This Week
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  • 14
    HypoPG

    HypoPG

    Hypothetical Indexes for PostgreSQL

    HypoPG is a PostgreSQL extension that allows you to create hypothetical indexes without actually building them on disk. It helps developers and DBAs test the impact of potential indexes on query performance before committing resources. By simulating indexes, HypoPG assists in query optimization and index strategy planning without any performance or storage cost.
    Downloads: 1 This Week
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  • 15
    IvorySQL

    IvorySQL

    Open Source Oracle Compatible PostgreSQL

    IvorySQL is an open-source PostgreSQL-compatible database that extends core Postgres with Oracle compatibility features. It adds support for PL/SQL, Oracle-style functions, and procedural syntax, making it easier for teams migrating Oracle workloads to open-source environments. IvorySQL retains PostgreSQL's performance and ecosystem while broadening compatibility.
    Downloads: 0 This Week
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  • 16
    TDengine

    TDengine

    Open-source time-series database with high-performance and scalability

    ...TDengine’s native distributed architecture powers out-of-the-box scalability and high availability. Nodes can be added through simple configuration to achieve greater data processing power. In addition, this feature is open source. TDengine uses SQL as the query language, thereby reducing learning and migration costs, while adding SQL extensions to handle time-series data better, and supporting convenient and flexible schemaless data ingestion.
    Downloads: 0 This Week
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  • 17
    IOWOW

    IOWOW

    A C utility library and persistent key/value storage engine

    IOWOW is a lightweight, high-performance key-value store and data storage library written in C, designed for use in embedded systems and high-speed applications that require efficient file-based storage.
    Downloads: 0 This Week
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  • 18
    libmdbx

    libmdbx

    One of the fastest embeddable key-value ACID database

    libmdbx (Lightning Memory-Mapped Database Extended) is a high-performance, key-value database library derived from LMDB (Lightning Memory-Mapped Database). It is designed for fast, scalable, and ACID-compliant data storage with minimal resource consumption.
    Downloads: 0 This Week
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  • 19
    pspg

    pspg

    Unix pager (with rich functionality) designed for work with tables

    pspg is a Unix pager designed for working with tabular data, particularly from PostgreSQL, but also supports other databases like MySQL.
    Downloads: 0 This Week
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  • 20
    Reliable PostgreSQL Backup & Restore

    Reliable PostgreSQL Backup & Restore

    Reliable PostgreSQL backup and restore

    pgBackRest aims to be a reliable, easy-to-use backup and restore solution that can seamlessly scale up to the largest databases and workloads by utilizing algorithms that are optimized for database-specific requirements. Compression is usually the bottleneck during backup operations but, even with now-ubiquitous multi-core servers, most database backup solutions are still single-process. pgBackRest solves the compression bottleneck with parallel processing. Utilizing multiple cores for...
    Downloads: 1 This Week
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  • 21
    Hydra Columnar

    Hydra Columnar

    Postgres-native columnar storage extension

    Hydra Columnar is an open-source columnar storage extension for PostgreSQL designed to deliver analytics performance on par with modern data warehouses. It integrates seamlessly with the PostgreSQL ecosystem, allowing users to benefit from columnar compression, vectorized execution, and late materialization without leaving their existing database setup. Hydra enables hybrid row-column storage, making it ideal for OLAP workloads on Postgres.
    Downloads: 0 This Week
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  • 22
    Apache AGE

    Apache AGE

    Graph database optimized for fast analysis

    Apache AGE (A Graph Extension) is a PostgreSQL extension that adds support for graph database functionality using the openCypher query language. AGE allows users to store and query graph-structured data alongside traditional relational data in a single database. Built for performance and scalability, it brings the power of graph queries to the robustness of PostgreSQL, making it suitable for use cases like social networks, recommendation systems, and fraud detection.
    Downloads: 0 This Week
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  • 23
    PLpgSQL Check

    PLpgSQL Check

    plpgsql_check is a linter tool (does source code static analyze)

    plpgsql_check is a PostgreSQL extension for static analysis and runtime checking of PL/pgSQL functions. It helps developers catch bugs early by analyzing code structure, variable usage, and SQL correctness before execution. The extension is ideal for improving code quality in large Postgres-based applications.
    Downloads: 0 This Week
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  • 24
    MobilityDB

    MobilityDB

    MobilityDB is a geospatial trajectory data management & analysis

    MobilityDB is an extension for PostgreSQL and PostGIS that adds support for managing and querying moving object data, such as vehicles, vessels, or wildlife. It allows developers to store temporal and spatiotemporal data types and execute complex mobility analytics using SQL. It is particularly suited for GIS applications and location-based services.
    Downloads: 0 This Week
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  • 25
    repmgr

    repmgr

    A lightweight replication manager for PostgreSQL (Postgres)

    repmgr is a management tool for PostgreSQL replication, providing monitoring, failover, and administrative capabilities for streaming replication setups. It simplifies the configuration of primary/standby clusters and automates failover processes for high availability. repmgr is widely used in production environments where database resilience and minimal downtime are critical.
    Downloads: 0 This Week
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