HTTP

Open-source employee operations platform for small and midsize businesses. It combines recruiting, employee records, time tracking, internal communication, and one-on-ones in one Laravel application.

Open-source kanban project management software for self-hosted teams. Kanboard combines drag-and-drop boards, workflow automation, plugin hooks, and a JSON-RPC API in a minimalist PHP application.

Commercial fleet telematics platform providing real-time vehicle tracking, driver safety monitoring, and asset management through edge devices and cloud analytics.

Open-source serverless platform for event-driven function execution on Docker and Kubernetes. Nuclio packages code into containerized functions and exposes them through HTTP, cron, and stream-based triggers.

Open-source project management platform offering Gantt charts, agile boards, time tracking, and team collaboration. Licensed under GPLv3 with self-hosted and cloud options.

GLPI is an open-source IT Service Management (ITSM) suite combining asset management, service desk ticketing, and CMDB functionality. It tracks hardware, software, licenses, and network equipment while managing incidents, problems, and changes through ITIL-aligned workflows.

Web-based notebook environment that combines live code, equations, narrative text, and rich output. Supports 40+ programming languages with modular architecture for data science and scientific computing.

Enterprise secrets management tool that secures, stores, and controls access to tokens, passwords, certificates, and encryption keys via UI, CLI, or HTTP API.

Open-core workflow automation platform that combines a visual node editor with full JavaScript/Python code steps, built for technical teams who need self-hosted control. Supports MQTT, webhooks, REST APIs, and 1,500+ connectors including AI models and industrial data sources.

ClickHouse is an open-source column-oriented database management system designed for real-time analytics using SQL queries. Delivers high-performance query processing at petabyte scale.

Apache IoTDB is a native time-series database optimized for IoT and industrial applications. Features edge-cloud synchronization and SQL-like query interface.

Prometheus is an open-source systems monitoring and alerting toolkit built at SoundCloud. It features a multi-dimensional data model, a flexible query language (PromQL), autonomous single-node operation, and extensive integrations with cloud-native environments.

Apache NiFi is an open-source visual dataflow platform for automating data movement between systems. It provides guaranteed delivery, data provenance tracking, and a browser-based drag-and-drop UI for designing processing pipelines.

Open-source time-series database optimized for high-throughput ingestion and fast SQL analytics. Compatible with InfluxDB line protocol, PostgreSQL wire protocol, and integrates with Grafana.

RabbitMQ is an enterprise-grade open-source message broker built on Erlang/OTP. It supports AMQP, MQTT 5.0, STOMP, and streaming via a plugin architecture.

Eclipse Ditto is an open-source framework that implements the digital twin pattern for IoT. It provides a virtual, cloud-based representation of physical devices (sensors, machines, vehicles, charging stations) with state management, access control, and multiple protocol bindings.

Open-source IoT connectivity framework from the Eclipse Foundation. Provides uniform service interfaces for connecting large numbers of devices regardless of whether they speak MQTT, AMQP, CoAP, or HTTP.