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Developers and open-source authors now have many services offering free tiers, but finding them all takes time to make informed decisions.

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

gat is what git-lfs would be if it didn't need a special server, and what dvc would be if it did one thing.

A self-hosted email client with an AI agent, running entirely on Cloudflare Workers

Note: Peer Pressure does not support dashlaunch or dashlaunch plugins, for more information on why this is see Homebrew Comptability.

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

Free, open-source macOS cleaner. CleanMyMac alternative with zero telemetry. Native SwiftUI, scheduled auto-cleaning, Xcode/Homebrew/system cache cleanup.

SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.

Website | Documentation | Download | Contributing | Changelog | Installation | Forum

HydraDB is an object-store-native distributed graph database written in Rust. It combines durable graph storage on SlateDB with snapshot-consistent OpenCypher queries, GraphBLAS traversal, Neo4j-compatible Bolt connectivity, and an HTTPS query API.

Find what is filling a disk, mark what should go, and remove it — with the volume's free space in view the whole time.

There are many ways to contribute, of which development is only one! Find out how to get involved, including as a translator, designer, tester, helping others, and much more! 😍

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.

Fully open source end-to-end encrypted photos, authenticators and more.

Mirror of the official PostgreSQL GIT repository. Note that this is just a mirror - we don't work with pull requests on github. To contribute, please see

Self-hosted LiveSync is a community-developed synchronisation plug-in available on all Obsidian-compatible platforms. ) to ensure reliable data synchronisation.

The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more

Portable file server with accelerated resumable uploads, dedup, WebDAV, SFTP, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file

Duplicati is a free, open-source backup client that securely stores encrypted, incremental, and compressed backups on cloud storage services and remote file servers. It supports:

The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting, and AI gateway to ship full-stack apps end-to-end.

AList is an open-source software, if you happen to like this project and want me to keep going, please consider sponsoring me or providing a single donation! Thanks for all the love and support:

This is an open collection of methodologies, tools and step by step instructions to help with successful training and fine-tuning of large language models and multi-modal models and their inference.

WARNING] > zerobrew is currently unmaintained. sh for CVE's or other critical security issues

VictoriaMetrics is a fast, cost-effective, and scalable solution for monitoring and managing time series data. It delivers high performance and reliability, making it an ideal choice for businesses of all sizes.

Neon is an open-source serverless Postgres database platform. It separates storage and compute and substitutes the PostgreSQL storage layer by redistributing data across a cluster of nodes.

Cross-platform backup tool for Windows, macOS & Linux with fast, incremental backups, client-side end-to-end encryption, compression and data deduplication. CLI and GUI included.

A distributed, fast open-source graph database featuring horizontal scalability and high availability

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.

LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.

2025年最新总结，阿里，腾讯，百度，美团，头条等技术面试题目，以及答案，专家出题人分析汇总。