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Deep dive into Customer.io's major summer release: geofencing triggers, live notifications, flexible SMS providers, notification inbox, and WhatsApp management upgrades for unified multi-channel engagement.

Learn how to assemble a modern email system using off-the-shelf services like Postmark, SendGrid, and Amazon SES, covering sending, receiving, authentication, and trade-offs around vendor lock-in and cost.

A CS student built a multi-agent AI system with memory, 8 sub-agents, and real-time web research using only free infrastructure like Cloudflare Workers and GitHub Actions. Full breakdown inside.

Veteran developer Mario Zechner dissects flaws in Cloud Code, OpenCode, and Cursor, then builds Pi — a minimalist coding Agent with just four tools and deep extensibility.
Product ReviewsDeep dive into JCode, an open-source Coding Agent Harness designed for multi-Agent collaboration. Features Agent Memory, Swarm collaboration, multi-Provider access, and self-evolution with just 14ms first-frame latency and 117MB for 10 sessions.
TutorialsLearn why Codex chat history disappears after switching between official subscriptions and third-party APIs, with step-by-step migration instructions for modifying session files and SQLite database.
TutorialsCodex++ is a free open-source tool that connects Codex to DeepSeek, GLM, and other Chinese LLMs while unlocking plugin features in API mode. Full setup guide included.
Product ReviewsOne API is an open-source LLM API gateway with 32K+ GitHub Stars, unifying 30+ models like OpenAI, Claude, Gemini & DeepSeek into one OpenAI-compatible interface.
Product ReviewsAntigravityQuotaWatcher is an open-source quota monitoring plugin with 2200+ GitHub Stars, designed for Google AI models (Gemini, etc.), offering real-time tracking of API usage, remaining quota, and reset times.
TutorialsComplete guide to CC Switch: multi-API management, protocol conversion, and automatic failover for Claude Code, plus low-cost setup with OpenRouter free models.
Product ReviewsDeep dive into Yudao Vue3 Admin Panel: an enterprise-grade open source framework with CRM, ERP, AI, IoT, multi-tenancy, and workflow capabilities.
Product ReviewsDeep dive into gpt4free, a 66k-star GitHub project offering free access to GPT-5.3, Claude Opus, Gemini 3, DeepSeek and more. Covers architecture, use cases, legal risks, and industry impact.