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@shurup gave 🐾 to Halfway Through 2025: These Are the Open Source Tools Everyone’s Talking About , 4 months ago.

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@angie shared a post, 4 months ago

Product Marketing Analyst, manageengine

The future of observability is developer-native: A deep dive into the next wave of diagnostics

"The systems we build are becoming too complex to merely monitor. We need systems that explain themselves."

Once upon a time, just monitoring your systems was enough. You had a few servers, maybe Nagios or Zabbix, some uptime checks, and that was it.

Then everything changed. The cloud arrived, followed by containers, microservices, and serverless. Suddenly, your "app" wasn't just a server; it was dozens of services, scattered across data centers, ephemeral environments, third-party APIs, and edge locations.

Monitoring just doesn't cut it anymore.

Today, we're firmly in the era of observability.

The future of observability is developer-native: A deep dive into the next wave of diagnostics

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@eon01 shared a post, 4 months ago

Founder, FAUN.dev

Halfway Through 2025: These Are the Open Source Tools Everyone’s Talking About

#devtool... #Top Ope... #Top 202... #github #open so...

2025 isn’t slowing down. From AI agents and lightweight frameworks to infrastructure that actually scales, open source is where the real innovation’s happening.

We’ve combed through FAUN.dev newsletters and community picks to bring you the standout projects developers are loving this year.

Every click you've made is a vote for what's hot and what's not in the open source world. We've analyzed thousands of interactions to identify the tools that have truly captured the attention and imagination of the FAUN.dev community.

If you're curious what's making waves in real dev workflows, this list is your shortcut.

The Hottest Open Source Projects

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@faun shared a link, 4 months ago

FAUN.dev()

Policy Zones: How Meta enforces purpose limitation at scale in batch processing systems

Meta’s Privacy Aware Infrastructure (PAI) slamsGovernable Data Annotations (GDAs)at runtime. It parses SQL across itsexabyte-scalewarehouse and blocks any flow that floutspurpose-usepolicies. It welds Unified Programming Model (UPM), Policy Evaluation Service (PES), Warehouse Permission Service (WP.. read more

Policy Zones: How Meta enforces purpose limitation at scale in batch processing systems

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@faun shared a link, 4 months ago

FAUN.dev()

To be a better programmer, write little proofs in your head

Developer sketchesproofsmid-code. This drives first-run correctness by leaning onmonotonicity,immutability,invariants, andpre/postconditions. They carve code into atomic steps. They erectfirewallsto contain impact zones. They wield induction for recursive logic—proof-affinity blooms. They drill form.. read more

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@faun shared a link, 4 months ago

FAUN.dev()

TODOs aren’t for doing

Teams balk at trackingTODOcomments. Some funnel them into bug trackers. Others prune stale tags. The post saysTODOs stash edge-case insights, not tickets... read more

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@faun shared a link, 4 months ago

FAUN.dev()

Cursor makes developers less effective?

METRtapped 16 devs to squash 136 live bugs withCursor(Sonnet 3.5/3.7). They clocked 146 h. AI users zipped through code, but stalls, reviews, and IDE lag devoured their lead. One dev who logged 50+ hours withCursorunlocked a 38% speedup. That steep learning curve and costly context pivots wipe out g.. read more

Cursor makes developers less effective?

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@faun shared a link, 4 months ago

FAUN.dev()

Tencent’s AI-powered programming tool fully automates app development

Tencent’s AI team rolled out a 24-hour, invite-only beta of CodeBuddy to50,000 devs. CodeBuddy flips chat into code via itsconversation-is-programmingIDE. Devs forge end-to-end apps with natural language. Trend to watch:Chat-based IDEs portend a shift to natural-language dev workflows... read more

Tencent’s AI-powered programming tool fully automates app development

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@faun shared a link, 4 months ago

FAUN.dev()

Secrets Management Tools: The Complete 2025 Guide

Pulumi ESC corrals secrets from 20 + stores—Vault, AWS, Azure, GCP—into a singleYAML config-as-codeengine. It spawns dynamic short-lived credentials and locks every action behind a centralized audit log. Existing secret stores stay intact. Retrieval hitssub-secondspeeds. Envelope encryption shields .. read more

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@faun shared a link, 4 months ago

FAUN.dev()

Automating Terraform Imports with Configuration Generation Using Claude Code

Terraform v1.5 debuts anexperimental flag,-generate-config-out. It grabs configs duringresource importand spits out raw HCL. Teams stash assets in animportblock, trigger the flag, then polish the generatedmain.tf. IaC onboarding feels like a sprint... read more

Automating Terraform Imports with Configuration Generation Using Claude Code

FAUN.dev() is a developer-first platform built with a simple goal: help engineers stay sharp without wasting their time. It curates practical newsletters, thoughtful technical blogs, and useful developer tools that focus on signal over noise.

Created by engineers, for engineers, FAUN.dev() is where experienced developers turn to keep up with the fast-moving world of DevOps, Kubernetes, Cloud Native, AI, and modern programming. We handpick what matters and skip the fluff.

If it’s on FAUN.dev(), it’s worth your attention.

Beyond curation, we run a course marketplace (WIP) designed to keep developers current. These courses go deep into the subjects that shape real-world work—things like Kubernetes internals, modern DevOps workflows, cloud-native architecture, and using AI tools to build faster and smarter. It’s practical learning, taught by people who’ve done the work. Developers from companies like GitHub, Netflix, and Shopify already rely on FAUN.dev() to stay on top of their game. They trust us because we keep it real: no hype, no filler, just what you need to grow and do your best work. For sponsors and partners, FAUN.dev() offers access to a focused, engaged audience of technical professionals. This isn’t just another broad developer community—it’s a place where smart engineers go to get smarter. If you have something meaningful to offer them, you’ll be in good company. In short, FAUN.dev() is more than a content hub. It’s a place to grow, to learn, and to connect with what really matters in software today.