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Open Source Projects tagged "Real Time"

A curated collection of the best open source projects tagged "Real Time". Each listing includes a website screenshot along with a detailed review of its features.

Self-hosted team messaging with voice, video, and AI
  • Stars

    46,373
  • Last commit

    11 hours ago
  • License

    MIT
Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.

Open Source Alternative to:

Visual project management with complete data control
  • Stars

    21,154
  • Last commit

    11 hours ago
  • License

    MIT
Open-source Kanban board solution offering visual task management, self-hosting capabilities, and robust security features for teams and individuals.

Open Source Alternative to:

Ultra-fast data transformation for AI with lineage
  • Stars

    11,826
  • Last commit

    12 hours ago
  • License

    Apache-2.0
Open-source ETL framework built in Rust for AI workloads. Features incremental processing, data lineage, and observability tools for semantic search and RAG applications.

Open Source Alternative to:

Real-time analytics database for sub-second OLAP queries
  • Stars

    14,097
  • Last commit

    12 hours ago
  • License

    Apache-2.0
Columnar, time-indexed analytics database built for streaming and batch data at scale, handling billions to trillions of rows with millisecond query response times.

Open Source Alternative to:

Self-hosted Kanban board with real-time collaboration
  • Stars

    12,660
  • Last commit

    19 hours ago
  • License

    Unknown
Self-hosted Kanban board for agile teams. Unlimited boards, real-time sync, GDPR-compliant, and available as a free Community Edition or paid Pro.

Open Source Alternative to:

Secure collaboration with end-to-end encryption
  • Stars

    8,053
  • Last commit

    15 hours ago
  • License

    AGPL-3.0
Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.

Open Source Alternative to:

Distributed OLAP database for real-time analytics at scale
  • Stars

    6,173
  • Last commit

    12 hours ago
  • License

    Apache-2.0
Sub-second SQL queries on fresh streaming data at petabyte scale, built for high-concurrency user-facing apps and AI agent backends.

Open Source Alternative to:

Next-gen WebSockets server for real-time apps
  • Stars

    5,635
  • Last commit

    2 years ago
  • License

    AGPL-3.0
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.

Open Source Alternative to:

Real-time stream processing made simple and affordable
  • Stars

    2,281
  • Last commit

    7 days ago
  • License

    Apache-2.0
Timeplus is a lightweight, powerful, and cost-efficient stream processing platform for real-time analytics, deployed as a single binary.