Submit
Ad
 
Learn More

Open Source Projects using Objective-C

A curated collection of the 122 best open source software using Objective-C. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Favicon of s&box

s&box

Build and play games inside a game engine that runs live

  • Stars

    6,457

  • Last commit

    16 hours ago

  • License

    MIT
A game creation platform built on Valve's Source 2 engine, letting you build, share, and play games without leaving the environment.

Open Source Alternative to:

Favicon of Unity
Unity
Favicon of Expensify

Expensify

Simplify expense management for businesses of all sizes

  • Stars

    5,022

  • Last commit

    9 hours ago

  • License

    MIT
Automate expense reporting, reimbursements, and corporate card management with real-time data sync and powerful integrations.
Favicon of Activeloop

Activeloop

AI
The tensor database for AI data

  • Stars

    9,232

  • Last commit

    4 months ago

  • License

    Apache-2.0
Deep Lake is an open-source database for storing, querying and managing complex AI data like images, audio, and embeddings.

Open Source Alternative to:

Favicon of MongoDB
MongoDB
Favicon of Plasmic

Plasmic

Visual app builder that integrates with your existing codebase

  • Stars

    6,998

  • Last commit

    12 hours ago

  • License

    MIT
Open-source visual editor for building websites and web apps. Connect to any data source, design custom UIs, and ship production React code without leaving your stack.

Open Source Alternative to:

Favicon of Framer
Framer
Favicon of Tuta

Tuta

Secure email, calendar and contacts with end-to-end encryption

  • Stars

    7,907

  • Last commit

    12 hours ago

  • License

    GPL-3.0
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.

Open Source Alternative to:

Favicon of Gmail
Gmail
Favicon of Apache IoTDB

Apache IoTDB

Time-series database built for industrial IoT workloads

  • Stars

    6,393

  • Last commit

    20 hours ago

  • License

    Apache-2.0
Apache IoTDB manages industrial IoT time-series data with high-throughput read/write, edge-cloud sync, ultra-high compression, and integrations with Hadoop, Spark, Flink, and Grafana.

Open Source Alternative to:

Favicon of InfluxDB
InfluxDB
Favicon of Zabbix

Zabbix

Enterprise monitoring for networks, apps, and infrastructure

  • Stars

    6,355

  • Last commit

    17 hours ago

  • License

    AGPL-3.0
Monitors networks, servers, cloud services, IoT, and OT environments with no per-device licensing fees, available self-hosted or as a managed SaaS platform.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Standard Notes

Standard Notes

Secure, encrypted notes for your digital life

  • Stars

    6,626

  • Last commit

    3 days ago

  • License

    AGPL-3.0
Cross-platform note-taking app with end-to-end encryption, offline access, and powerful organization features for privacy-conscious users.

Open Source Alternative to:

Favicon of Obsidian
Obsidian
Favicon of GIMP

GIMP

Professional image editing without the price tag

  • Stars

    6,402

  • Last commit

    10 hours ago

  • License

    Unknown
Free, open-source image editor with professional tools for photo manipulation, digital art creation, and graphic design. Cross-platform support.

Open Source Alternative to:

Favicon of Adobe Photoshop
Adobe Photoshop
Favicon of Kdenlive

Kdenlive

Professional video editing without the price tag

  • Stars

    5,643

  • Last commit

    18 hours ago

  • License

    GPL-3.0
Cross-platform non-linear video editor offering professional features for free. Edit videos on Linux, Windows, macOS, and BSD with advanced tools and effects.

Open Source Alternative to:

Favicon of CapCut
CapCut
Favicon of Memgraph

Memgraph

High-performance graph computing for scalable data analysis

  • Stars

    4,483

  • Last commit

    10 hours ago

  • License

    Unknown
Memgraph is a scalable, in-memory graph database solution offering high-performance computing and Neo4j compatibility.

Open Source Alternative to:

Favicon of MongoDB
MongoDB
Favicon of LibreOffice

LibreOffice

Free office suite with Microsoft compatibility

  • Stars

    4,340

  • Last commit

    10 hours ago

  • License

    GPL-3.0
Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.

Open Source Alternative to:

Favicon of Microsoft Word
Microsoft Word
Favicon of Collabora Online

Collabora Online

Open-source document editing suite for secure collaboration

  • Stars

    3,344

  • Last commit

    6 days ago

  • License

    Unknown
Powerful online document editor with Microsoft Office compatibility. Integrate into your infrastructure or use trusted hosting partners for secure team collaboration.

Open Source Alternative to:

Favicon of Microsoft Word
Microsoft Word
Favicon of Opengrep

Opengrep

Open-source code security engine for developers

  • Stars

    3,060

  • Last commit

    12 hours ago

  • License

    LGPL-2.1
Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers.
Favicon of RawTherapee

RawTherapee

Professional raw photo processing made free and powerful

  • Stars

    4,165

  • Last commit

    13 days ago

  • License

    GPL-3.0
Free, cross-platform raw image processor with 32-bit floating point engine, advanced demosaicing algorithms, and professional-grade editing tools for photographers.

Open Source Alternative to:

Favicon of Adobe Lightroom
Adobe Lightroom
Favicon of Anthias

Anthias

Transform any TV into professional digital signage

  • Stars

    3,665

  • Last commit

    7 days ago

  • License

    Unknown
Free open-source digital signage software that turns Raspberry Pi or old PCs into powerful display solutions. Manage images, videos, and web content easily.

Open Source Alternative to:

Favicon of Yodeck
Yodeck
Favicon of OpenLIT

OpenLIT

AI
Monitor, debug, and scale LLM applications with ease

  • Stars

    2,749

  • Last commit

    15 hours ago

  • License

    Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.

Open Source Alternative to:

Favicon of LangSmith
LangSmith
Favicon of Sol

Sol

Fast and beautiful launcher for quick access to apps and tools

  • Stars

    3,100

  • Last commit

    3 days ago

  • License

    MIT
A modern macOS launcher that provides instant access to applications, utilities, and system functions through an elegant and efficient interface.

Open Source Alternative to:

Favicon of Raycast
Raycast
Favicon of Quiet

Quiet

Serverless team chat over Tor, no phone number needed

  • Stars

    2,646

  • Last commit

    10 hours ago

  • License

    GPL-3.0
Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.

Open Source Alternative to:

Favicon of Discord
Discord
Favicon of Checkmk

Checkmk

AI
Complete IT infrastructure monitoring made simple

  • Stars

    2,360

  • Last commit

    9 hours ago

  • License

    GPL-2.0
Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Timeplus

Timeplus

Real-time stream processing made simple and affordable

  • Stars

    2,254

  • Last commit

    8 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.
Favicon of GoRules

GoRules

Business rules engine with AI, visual flows, and audit trails

  • Stars

    1,968

  • Last commit

    16 days ago

  • License

    MIT
Model business logic in decision tables, visual flows, and natural-language rules. Change rules without deploys, test every path, and run the same engine anywhere.

Open Source Alternative to:

Favicon of Drools
Drools
Favicon of Icinga

Icinga

Open source monitoring for complex IT infrastructure

  • Stars

    2,236

  • Last commit

    16 hours ago

  • License

    GPL-3.0
Monitor networks, servers, and cloud environments with flexible open-source solution. Custom checks, fast alerts, and complete infrastructure control.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Amical

Amical

AI
Type 10x faster with AI-powered voice dictation

  • Stars

    1,525

  • Last commit

    5 days ago

  • License

    MIT
Open source AI dictation app that transforms speech to text with context-aware formatting. Fast, accurate transcription for meetings, notes, and hands-free typing.

Open Source Alternative to:

Favicon of Wispr Flow
Wispr Flow
Favicon of Nagios

Nagios

Complete infrastructure monitoring with 25+ years of expertise

  • Stars

    2,042

  • Last commit

    1 month ago

  • License

    GPL-2.0
Free open source IT monitoring solution for servers, networks, and applications. Trusted by 1M+ users worldwide with powerful alerting and enterprise-grade features.

Open Source Alternative to:

Favicon of Opsgenie
Opsgenie
Favicon of Mezon

Mezon

Create custom spaces to chat, game, and connect globally

  • Stars

    1,745

  • Last commit

    19 hours ago

  • License

    MIT
Build your own community space for gaming, chatting, and hanging out with friends worldwide. Customize your environment for the perfect social experience.

Open Source Alternative to:

Favicon of Discord
Discord
Favicon of Apache Cloudberry

Apache Cloudberry

Unlock Data's Potential with Open Source Power

  • Stars

    1,395

  • Last commit

    21 hours ago

  • License

    Apache-2.0
Leverage advanced analytics with a modern PostgreSQL kernel. 100% open source for robust data solutions.

Open Source Alternative to:

Favicon of Snowflake
Snowflake
Favicon of Jarvis

Jarvis

AI
Dictate faster and control your Mac with voice

  • Stars

    625

  • Last commit

    20 days ago

  • License

    MIT
Free, open-source macOS voice assistant that transcribes speech, applies AI transformations, and controls apps hands-free. No subscription, no training required.

Open Source Alternative to:

Favicon of Wispr Flow
Wispr Flow
Favicon of WireGuard

WireGuard

Fast, minimal VPN built on modern cryptography

  • Stars

    712

  • Last commit

    4 months ago

  • License

    GPL-2.0
VPN protocol that runs inside the Linux kernel, using public-key cryptography to create encrypted tunnels across UDP with minimal configuration.

Open Source Alternative to:

Favicon of Zerotier
Zerotier
Favicon of Tonkatsu Box

Tonkatsu Box

Track games, movies, anime, manga, and books in one place

  • Stars

    533

  • Last commit

    2 days ago

  • License

    MIT
Cross-platform collection manager for retro games, movies, TV shows, anime, manga, visual novels, and books with tier lists, visual boards, and import/export.

Open Source Alternative to:

Favicon of TV Time
TV Time
Favicon of Alarik

Alarik

S3-compatible object storage built with Swift

  • Stars

    530

  • Last commit

    7 days ago

  • License

    Apache-2.0
Self-hostable, Apache 2.0-licensed object storage with S3 compatibility, a built-in web console, and horizontal scaling from single node to sharded cluster.

Open Source Alternative to:

Favicon of Amazon S3
Amazon S3
Favicon of Twake Mail

Twake Mail

Secure open source email with advanced encryption & AI

  • Stars

    653

  • Last commit

    19 hours ago

  • License

    AGPL-3.0
Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.

Open Source Alternative to:

Favicon of Gmail
Gmail
Favicon of Browser Operator

Browser Operator

AI
Open-source AI browser for intelligent web automation

  • Stars

    507

  • Last commit

    6 months ago

  • License

    BSD-3-Clause
Privacy-focused AI browser with intelligent agents for research, analysis, and workflow automation. Features unified memory, compliance guardrails, and seamless integrations.

Open Source Alternative to:

Favicon of Comet Browser
Comet Browser
Favicon of Midori Browser

Midori Browser

Fast, secure, and privacy-focused web browsing

  • Stars

    393

  • Last commit

    13 hours ago

  • License

    MPL-2.0
Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.

Open Source Alternative to:

Favicon of Firefox
Firefox
Favicon of Prismical

Prismical

AI
Transcribe meetings and voice notes with local AI, no bots required

  • Stars

    79

  • Last commit

    11 hours ago

  • License

    MIT
Free, open-source AI note-taker that transcribes meetings and voice notes locally using Whisper and Parakeet. Works on Mac, Windows, and mobile without invasive bots.

Open Source Alternative to:

Favicon of Granola
Granola
Favicon of Brace.to

Brace.to

Securely save and access your favorite links across devices

  • Stars

    106

  • Last commit

    5 months ago

  • License

    MIT
A privacy-focused bookmark manager that encrypts your saved links, allowing you to access them anytime, anywhere, on any device with complete control.

Open Source Alternative to:

Favicon of Pocket
Pocket
Favicon of Paralino

Paralino

End-to-end encrypted location sharing for groups

  • Stars

    58

  • Last commit

    8 days ago

  • License

    AGPL-3.0
Share your real-time location with family and friends using end-to-end encryption, geofence alerts, travel history, and multi-device tracking.

Open Source Alternative to:

Favicon of Life360
Life360
Favicon of Justnote

Justnote

Privacy-focused note-taking made simple and fast

  • Stars

    67

  • Last commit

    7 months ago

  • License

    GPL-2.0
Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.

Open Source Alternative to:

Favicon of Notion
Notion
Ad
Favicon

 

  
 
Ad
Favicon

 

  
 
Ad
Favicon