FusionAuth is the authentication and authorization platform engineered for developers who demand flexibility and control. Built from the ground up to integrate with any stack, every feature — from user registration to MFA and SSO — is exposed via a modern, well-documented API.
Support for every major identity protocol is included out of the box: OIDC, SAML, OAuth2, JWT, passwordless login, social sign-on, and more. Whether you’re building a greenfield app or retrofitting auth into a legacy system, FusionAuth adapts to your use case — not the other way around.
Need compliance? FusionAuth helps you meet GDPR, HIPAA, and COPPA standards quickly and reliably.
Deploy it your way: install on Linux, Windows, macOS, Docker, or Kubernetes — or go with FusionAuth Cloud, our managed SaaS hosting. No black boxes. No vendor lock-in. Just powerful, customizable auth that works the way you do.
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Auth0 takes a modern approach to Identity and enables organizations to provide secure access to any application, for any user. Auth0 is highly customizable, and simple yet flexible. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation.
With Auth0, you can rapidly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control.
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Posit
Posit delivers a comprehensive ecosystem for modern data science, uniting open-source technologies with enterprise-grade collaboration and deployment tools. Positron, its free data-science IDE, blends the immediacy of a console with powerful debugging, editing, and production capabilities for Python and R developers. Posit’s suite of products allows organizations to securely host analytical content, automate reporting, and operationalize models with confidence. With strong support for open-source tooling, the company enables teams to build on transparent, extensible technologies they can fully trust. Cloud solutions simplify how users store, access, and scale their projects while maintaining reproducibility and governance. Customer success stories from organizations like Dow, PING, and the City of Reykjavík highlight the impact of Posit-powered applications in real-world environments. Posit also fosters a thriving community, offering resources, events, champions programs, and extensive documentation. Built by data scientists for data scientists, Posit helps teams adopt open-source data science practices at enterprise scale.
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Synaptic
Synaptic is a user-friendly graphical interface for managing packages through the apt system, offering functionalities similar to the apt-get command-line tool but with a more accessible Gtk+ front-end. Users can easily install, uninstall, upgrade, or downgrade both individual and multiple software packages, as well as perform comprehensive system upgrades. The program allows for the management of package repositories through the sources.list file and facilitates searching for packages based on various criteria, including name and description. Additionally, it provides the capability to filter and select packages by their status, section, or customized parameters, while sorting can be done according to name, status, size, or version. Users can explore available online documentation for specific packages and access the latest changelog versions. The tool also includes functionalities to lock packages to their current versions, enforce the installation of particular package versions, and utilize undo/redo features for selection changes. Furthermore, a built-in terminal emulator enhances the package management experience, and for users on Debian/Ubuntu systems, it allows configuration through the debconf system and supports fast searching via Xapian, thanks to contributions from Enrico Zini. Overall, Synaptic is an essential tool for users who prefer a graphical approach to package management while still retaining the powerful capabilities of apt.
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