Awesome Oss Alternatives

The fastest path to AI-powered full stack observability, even for lean teams.

MinIO is a high-performance, S3 compatible object store, open sourced under GNU AGPLv3 license.

Open Source realtime backend in 1 file

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

Connect your devices into a secure WireGuard®-based overlay network with SSO, MFA and granular access controls.

Pulumi - Infrastructure as Code in any programming language 🚀

Temporal service

End-to-end realtime stack for connecting humans and AI

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

ZITADEL - Identity infrastructure, simplified for you.

CrowdSec - the open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.

:file_folder: Universal File Storage Client

Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

The infrastructure platform for the intelligence era

Netmaker makes networks with WireGuard. Netmaker automates fast, secure, and distributed virtual networks.

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.

Fancy stream processing made operationally mundane

Production infrastructure for machine learning at scale

Data pipelines for cloud config and security data. Build cloud asset inventory, CSPM, FinOps, and vulnerability management solutions. Extract from AWS, Azure, GCP, and 70+ cloud and SaaS sources.

Easy web analytics. No tracking of personal data.

The task manager you actually own.

An MLOps framework to package, deploy, monitor and manage thousands of production machine learning models

Cerbos is the open core, language-agnostic, scalable authorization solution that makes user permissions and authorization simple to implement and manage by writing context-aware access control policies for your application resources.

Privacy and Security focused Segment-alternative, in Golang and React

Open source APM: OpenTelemetry traces, metrics, and logs

Open source Firebase + Heroku to develop, scale and secure serverless apps on Kubernetes

Ongoing Storj v3 development. Decentralized cloud object storage that is affordable, easy to use, private, and secure.

Warrant is a highly scalable, centralized authorization service based on Google Zanzibar. Use it to define, enforce, query, and audit application authorization and access control.

The open-source policy-as-code software that provides analysis for Multi-Cloud and SaaS environments, you can get insight with natural language (powered by OpenAI).