supertokens/supertokens-core
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
⚡ Executive Summary & Quick Facts
Authoritative Sourcesupertokens-core is supertokens-core is an open-source project written in Java: Open source alternative to Auth0 / Firebase Auth / AWS Cognito .. It provides a free, self-hosted open-source alternative to Auth0.
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), supertokens/supertokens-core has accumulated 15,336 GitHub stars and 788 forks. It is written in Java, licensed under NOASSERTION, and ranks #1,020 globally. It is actively maintained with the latest commit recorded on Oct 28, 2026.”
| Repository | supertokens/supertokens-core ↗ |
|---|---|
| Primary Category | auth0 |
| Language & Stack | Java |
| Software License | NOASSERTION |
| Community Traction | ★ 15.3K stars · ⑂ 788 forks · #1,020 globally |
| Maintenance | ● Active (Last commit: Oct 28, 2026) · 153 open issues |
| Replaces SaaS | Open Source Auth0 Alternative ($23–$240+/month based on Monthly Active Users (MAU)) → |
| Target Audience | Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 95/100 · Grade A+Yes, supertokens-core is actively maintained. Continuous telemetry recorded the last code commit on Oct 28, 2026 (2 days ago). Supported by 15,336 stars and 788 community forks, this repository holds a calculated health index of 95/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+12
STARS · LAST 30 DAYS
1
PER DAY
#53
MOST-STARRED Java
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +12 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +0 | +39 |
supertokens-core gained 12 stars in the last 30 days, about 1 a day, and now has 15.3K. It is about 7 years old and has averaged roughly 2.2K stars a year. It ranks #53 among Java repositories and #1,020 across all languages on GitHubRepo.
Trending Record
77
DAYS ON TRENDING
#100
BEST RANK
Jan 5, 2020
FIRST APPEARANCE
Active
STATUS TODAY
supertokens-core has maintained a continuous presence across global trending indexes, peaking at #100. Below is the 30-day activity profile:
💡 Overview
supertokens-core is an open-source project written in Java: Open source alternative to Auth0 / Firebase Auth / AWS Cognito .
Engineered for speed, consistency, and developer ease, it solves common hurdles in auth0, authentication, aws-cognito. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Java for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/supertokens/supertokens-core.git
cd supertokens-core⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17 or higher (OpenJDK / GraalVM)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
supertokens-core coordinates its core functionality through a modular Java pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with supertokens-core.
Model Inference & Prompting
Integrate fast, local or cloud-hosted generative AI models directly into production code.
Context Memory & RAG
Augment language models with dynamic vector retrieval and structured project memory.
Developer Productivity
Automate repetitive engineering tasks, code generation, and test creation using AI agents.
🚀 Getting Started
Install supertokens-core using your package manager: `git clone https://github.com/supertokens/supertokens-core.git`
Initialize your project workspace or configuration file for supertokens-core.
Import supertokens-core into your codebase or invoke it directly from your terminal.
Execute your test suite or run `supertokens-core --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
supertokens/supertokens-core is currently ranked #1,020 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,015 | amnezia-vpn/amnezia-client | C++ | ★ 15.4K | Compare ↗ |
| #1,015 | web-infra-dev/midscene | TypeScript | ★ 15.4K | Compare ↗ |
| #1,017 | electerm/electerm | JavaScript | ★ 15.4K | Compare ↗ |
| #1,018 | apache/pulsar | Java | ★ 15.4K | Compare ↗ |
| #1,019 | redis/ioredis | TypeScript | ★ 15.3K | Compare ↗ |
| #1,020 | supertokens/supertokens-core This Project | Java | ★ 15.3K | |
| #1,020 | k2-fsa/sherpa-onnx | C++ | ★ 15.3K | Compare ↗ |
| #1,021 | theonedev/onedev | Java | ★ 15.3K | Compare ↗ |
| #1,021 | neovide/neovide | Rust | ★ 15.3K | Compare ↗ |
| #1,023 | go-sql-driver/mysql | Go | ★ 15.3K | Compare ↗ |
| #1,024 | feathersjs/feathers | TypeScript | ★ 15.3K | Compare ↗ |
Frequently Asked Questions
What does supertokens-core do? +
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
Is supertokens-core actively maintained in 2026? +
Yes, supertokens-core is actively maintained. The latest code push was recorded on Oct 28, 2026 (2 days ago). It holds a calculated Maintenance Health Score of 95/100 (A+ rating) with 15,336 stars and 153 open issues.
What language is supertokens-core written in? +
The primary language is Java. Topics include: auth0, authentication, aws-cognito, email-password, email-password-login.
How many stars does supertokens-core have? +
supertokens-core has 15,336 stars and 788 forks on GitHub.
How does supertokens-core rank among GitHub repositories? +
With 15,336 stars, supertokens/supertokens-core is ranked #1,020 globally across all repositories tracked on GitHubRepo and #53 among Java projects.
What license is supertokens-core distributed under? +
The repository reports a NOASSERTION license. Always verify the repository LICENSE file for legal terms.
