Blog | New RocksDB Binding for Node.js rocksdb-js is a modern Node.js binding for RocksDB, offering full transaction support, lazy range queries, and a TypeScript API. Built for performance and scalability, it enables reliable write-heavy ...

New from Harper: rocksdb-js.
→ Full transaction support
→ Lazy range iteration
→ TypeScript API
→ Prebuilt binaries
→ Built-in transaction log

A ground-up open source RocksDB binding for Node.js. Huge thanks to
@chrisbarber.dev.

www.harper.fast/resources/ne...

Blog | Open Sourcing Harper Harper is now open source, with its core platform released under Apache 2.0 and enterprise features source-available. This shift builds trust, enables community contributions, and positions Harper as…

Harper 5.0 is open source.

The future of software, especially with AI agents, is a unified runtime, not a fragmented stack.

Fewer layers. Better reasoning. Faster path to production.

Full story ↓
buff.ly/ErGcc7t

#Harper5 #OpenSource

Harper Launches 5.0: Fully Open-Source Runtime for Building and Deploying Cost-Efficient Agents | HackerNoon Harper 5.0 launches with an open-source core, RocksDB support, and a unified runtime for AI agents—cutting latency and simplifying modern app development.

Harper 5.0 is live.

Our core runtime is now fully open source (Apache 2.0), with Harper Pro source-available under ELv2. Now with RocksDB + LMDB support.

One platform for database, cache, messaging, and app logic—built for performance and scale.

Read more: hackernoon.com/harper-launc...

Podcast | Maintaining Momentum: Versioning, Stability & the Road to Nuxt 5 with Daniel Roe In this podcast episode, Daniel Roe, lead of the Nuxt framework, shares insights on Nuxt 3, 4, and the upcoming Nuxt 5 release. We discuss open-source development, upgrading Nuxt apps, Vue-powered…

🚀 New podcast episode with Daniel Roe, lead of the Nuxt framework.

We discuss Nuxt 3, 4, the upcoming Nuxt 5, open-source leadership, and what teams should know before upgrading their apps.

If you're building with Vue or Nuxt, this is a must-watch.

🎧 Watch now buff.ly/VTZo5MF
#Nuxt #VueJS

Build a Conversational AI Agent on Harper in 5 Minutes Building AI agents usually means stitching together a database, a vector store, a caching layer, an...

Most AI agents spend more time talking to LLMs than they need to.

The fix isn't a smarter model. It's a smarter runtime.

Semantic caching on Harper: same question twice? Served from the vector index. $0 LLM cost. Sub-50ms.

buff.ly/fGPaA3V

From pro drummer to open source maintainer.

Trezy shares his path into software engineering, work on PixiJS, thoughts on AT Protocol + Bluesky, and why data sovereignty matters for devs.

Great insights for builders 👇
www.harper.fast/resources/in...

#OpenSource #GameDev #ATProtocol

Your tech stack wasn't built for AI coding agents. A unified runtime was. Start every project with npm create harper@latest

#aicodingagent #claudecode #agenticengineering #unifiedruntime #harperdb #fullstackdev #devtools #vibecoding

LinkedIn Pulse

What if the toughest part of agentic engineering wasn’t the model, but deployment?

With Harper’s unified runtime and declarative design, AI goes from idea to live system without the human wiring. The last-mile problem is solved. 👇

www.linkedin.com/pulse/last-m...

I Built an AI Ops Assistant That Replaced $2,400/month in SaaS — In 3 Days, for Under $100/month Last month, one of our engineers typed this into Slack: /incident what would cause basic...

The build-your-own era is here.

In 3 days, an AI ops assistant replaced $2400/month in SaaS for under $100/month.

AI thrives on declarative backends (config.yaml, schema.graphql, resource.js). That's Harper.

Build > Buy.

buff.ly/QrJMnQd

#VibeCoding #AgenticAI

Open source doesn’t maintain itself.

We talked with Jordan Harband (@LJHarb), TC39 member, NVM maintainer, and 500+ NPM packages, about JavaScript standards, dependency security, and the realities of OSS.
buff.ly/GlXr9pz

#OpenSource #JavaScript #WebDevelopment

Podcast | Open Source, Cycling and What's Next with Debbie O'Brien Join Debbie O’Brien on the Select * Podcast as she shares insights on open source, and developer experience, and family.

🎙️ New Podcast Episode with Debbie O’Brien

We’re excited to share our latest SELECT * Podcast episode featuring Debbie O’Brien, a leading voice in testing, and open source.

Watch the full episode here: buff.ly/Vdv53Zi

🎉 We’re honored! Harper has been named to Built In’s 2026 Best Places to Work in Colorado — including Best Startup and Best Overall.

Huge thanks to the Harper team for making this possible 💜
buff.ly/WnRWVHJ

In our latest podcast, Austin Akers sits down with Ivan Hudson, to break down how modern teams can combine real-time data, edge computing, and machine learning to build smarter, faster applications.
👉 Full video on our website: www.harper.fast/resources/tu...
#Harper #AI #EdgeComputing

Tutorial | The Easiest Way to Use MQTT: A Hands-On Demo with Harper’s Built-In Broker Learn how MQTT works and see a real-time demo using Harper’s built-in MQTT broker. Discover topics, Pub/Sub, QoS, retained messages, and how Harper simplifies IoT and edge data workflows. Watch how…

If you’re using MQTT for IoT, edge, or real-time data, you know that the protocol is simple, but the infrastructure often isn’t.

See how Harper runs MQTT natively, can persist messages, and run functions, all with no extra services.

👉 buff.ly/zXKgYkV

Comparison | Harper vs. AWS IoT Core: Why Unified Architectures Win for Real-Time Systems Harper’s unified application platform fuses MQTT, database storage, and real-time logic into one high-performance runtime—eliminating AWS service sprawl, IAM complexity, and Lambda overhead. For…

Don't want to stitch together AWS IoT Core + Lambda + DynamoDB?

Harper’s unified platform delivers the same capabilities but without the complexity tax.
🔗 buff.ly/AfgssdK

#AWS #IoT #DevExperience

Podcast | Is this the Future of Smart Homes? Discover insights from Harper’s Technical Showcase as Charlie and Austin discuss innovative AI projects, database performance, and lessons from the Harper Hackathon in this behind-the-scenes conversat...

What if your home responded to gestures rather than voice commands? 👋💡

Harper Hack runner-up @devdevcharlie.com built a gesture-powered smart light system using Harper + Gemini + LIFX .

Wild glimpse of a potential future. 🔗 www.harper.fast/resources/is...

Tutorial | Harper + Docker + Grafana: Local Setup Guide Learn how to set up Harper locally using Docker and monitor everything with Grafana. This step-by-step walkthrough shows developers how to launch single-node and clustered Harper environments, deploy…

Spin up Harper + Grafana locally in seconds.
Single-node & 3-node cluster, fully monitored and ready to build fast.

👉 buff.ly/EcffISp

Podcast | Building an A.I. Tool in 3 Days Discover how Trent leverages Harper and ConvoIQ to streamline operations, improve data workflows, and boost productivity. This deep-dive conversation highlights real-world use cases, automation…

🎙️ Meet Trent, a HarperHack runner-up using Harper to build ConvoIQ, an AI business app to streamline workflows and build smarter dashboards.

Catch this interview in our latest podcast episode 👉 buff.ly/GpgiIGW

#HarperFast #Podcast #HarperHack #Developers

Thanksgiving Maze

Happy Thanksgiving! 🦃🍁

We cooked up a Harper Thanksgiving Game using Google Antigravity, built on Harper, and deployed with Harper Fabric. Enjoy!

Play: buff.ly/IUJ7yjo
Blog: buff.ly/ItnARew

Make it to the end? Screenshot it!

Podcast | Building a Smarter 311 App Discover how Harper Hack winners Colin and Josh built MELL, an AI-powered community reporting app. Learn about their inspiration, tech stack, UX approach, and how AI streamlines issue reporting for…

In our Season 4 premiere of the SELECT* podcast, we sit down with our Harper Hack '25 winners Josh and Colin to discuss their hackathon winning app Mell.

🎧 Watch the full episode on the Harper website:
www.harper.fast/resources/bu...

#HarperHack2025 #Harper #AI #Developers #Innovation

Tutorial | BigQuery to Harper: Real-Time Data Access Without Redis or Custom APIs Modernize your BigQuery architecture with Harper. Replace Redis and boilerplate APIs with a unified, low-latency data layer built for real-time delivery.

Harper Learn #4 is live. Ivan shows how to simplify BigQuery pipelines by replacing Redis + custom APIs with a single Harper layer.

Ingest once, get low-latency data access and built-in APIs with far less code.

Watch here: buff.ly/HXxYC1n

Blog | Pub/Sub for AI: The New Requirements for Real-Time Data Harper’s unified pub/sub architecture delivers real-time data, low-latency replication, and multi-protocol streaming for AI and edge applications. Learn how database-native MQTT, WebSockets, and SSE…

AI now reacts to data, not just analyzes it. That demands real-time systems.

E-commerce personalization, fraud checks, and industrial telemetry all need ms-level speed.

Learn why old pub/sub struggles + what’s next:
buff.ly/VXvE681

#AI #PubSub #RealTime

Why it matters:
• Zero network hops = instant performance
• Active-active resilience, no heavy tooling
• Smaller footprint, faster teams

If you’re building for edge, e-com peak loads, or real-time global UX → this is your blueprint.

#architecture #distributedSystems #edgeComputing #Harper

Blog | Deliver Performance and Simplicity with Distributed Microliths Distributed microliths unify data, logic, and execution into one high-performance runtime, eliminating microservice latency and complexity. By replicating a single coherent process across regions,…

What if your app could respond in <1 ms?

Meet the distributed microlith — a unified runtime that puts data, logic, cache & messaging in the same memory space. Global scale without the orchestration chaos.

Full article 👉 buff.ly/hfU2I3V

Tutorial | From Local to Distributed Multi-Node Cluster in Minutes See how to take a local Harper app to a distributed, multi-node cloud cluster with simple deployment steps, built-in scaling, and an MQTT real-world demo.

Ivan Judson is at it again.
This week’s #HarperLearn shows how to take a local app and deploy it to a multi-node Harper cluster in minutes, going from “works on my machine” to “scales globally.”

Plus a sneak peek at next week’s MQTT demo.

👉 buff.ly/hjTHNzy

Tutorial | Local Instances on Fabric & Basic App Setup Learn how to build and manage applications in Harper’s Fabric environment. Solution Architect Ivan Judson walks through connecting cloud and self-hosted instances, demoing a basic app with Harper’s…

This week, Ivan’s back with a new Harper Learn episode! 🎥

He walks through connecting a local instance to Fabric + building & deploying a simple app. Perfect if you’re new to Harper.

👉 Watch here: buff.ly/ic245E2

#DeveloperTools #Learning #EdgeComputing #AppDevelopment

Case Study | Boosting Web Performance for a Global Fashion Retailer Discover how Harper helped a leading global fashion retailer achieve 70% faster page loads, a 60% reduction in TTFB, and stronger Core Web Vitals through edge optimization and intelligent caching in…

A global fashion retailer used Harper to modernize its edge stack, and the results speak for themselves:

50% faster LCP
60% lower TTFB
70% faster page loads
80% higher cache hit rate

Read the case study → www.harper.fast/resources/bo...

#WebPerformance #EdgeComputing #CoreWebVitals

Discover how Harper’s new pre-rendering template boosts website SEO and performance. Learn how edge delivery, orchestration, and Puppeteer rendering enable lightning-fast static pages and seamless scalability for modern React applications.

Watch now: buff.ly/bPJJAeH

Tutorial | Harper Fast Setup Ivan walks through installing Harper, showing how to set up, configure, and run your first project. This demo highlights the simplicity and speed of getting started with Harper for high-performance…

We just launched Harper Learn, a new video series to help developers get hands-on with Harper.

🎥 Watch the first episode: buff.ly/UWake2g
💬 Join the dev community on Discord: buff.ly/jcOFPsp

Shoutout to Ivan + team!

Graphic for a blog titled “Introducing Harper Fabric: Unified Infrastructure for Distributed Apps.” The image features a glowing digital background with neon blue and pink network lines connecting servers and a laptop displaying a “Deploy Application” button. The Harper logo appears in the bottom left corner. The design conveys themes of cloud infrastructure, distributed systems, and modern app deployment.

“Building something simple is hard.” — Kris Zyp

Meet Harper Fabric (open beta): unified orchestration for distributed apps & data. Simpler deployments and scaling.

Learn more 👉 buff.ly/OIx6yGc

#DistributedApps #OpenBeta