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The Most Popular Agentic Open-Source Tools (2026 Edition)

https://you.com/resources/popular-agentic-open-source-tools-2026
23•marianebekker•2h ago

Comments

marianebekker•2h ago
Over the last 18 months, agentic AI has shifted from prompt-driven chatbots to system-level engineering. This post maps the open-source tools teams are actually using to build, run, and evaluate agents in production, and where they sit in the agent stack.
bgrief•1h ago
good stuff :)
marianebekker•1h ago
Thank you!
alexfeinstein77•1h ago
Cool article!
marianebekker•1h ago
Thank you!
phlik•1h ago
Great Read.
marianebekker•1h ago
Thank you!
marianebekker•1h ago
One thing that surprised us while putting this together was how uneven the stack still is. Planning and execution tooling feels fairly mature, but evaluation and long-term reliability lag far behind. Curious how people here are testing and validating agents in production today.
kenhoppe•1h ago
The agentic AI landscape is rapidly maturing, shifting from isolated experiments to end-to-end systems that can think, act, and adapt autonomously. Thanks for sharing how various frameworks are shaping the future of intelligent, real-world automation."
marianebekker•1h ago
Agreed on the shift — what stood out to us is how quickly teams hit system-level constraints once agents leave the demo phase. Things like evaluation drift, tool reliability, and recovery behavior start to matter more than model choice. Curious which of those has been the biggest bottleneck for you in practice?
jhindle22•23m ago
Great article!

How to elevate visual storytelling with Nano Banana Pro

https://www.theaithinker.com/p/how-to-elevate-visual-storytelling
1•faikadam•53s ago•0 comments

Show HN: DayTape – record thoughts, get transcripts, takeaways, and patterns

https://apps.apple.com/us/app/daytape/id6757109811
1•holaduder•1m ago•0 comments

Show HN: Orange Juice Hacker News browser extension

https://oj-hn.com
1•oj-hn-dot-com•1m ago•0 comments

Expectation and Copysets

https://buttondown.com/jaffray/archive/expectation-and-copysets/
1•shachaf•3m ago•0 comments

Show HN: PaperPod – Fast, no-setup sandboxes for AI agents

https://www.paperpod.dev
1•shassingh09•5m ago•1 comments

Likely You Understand Cycle Time Wrong

https://ksaweryskowron.substack.com/p/cycle-time-is-not-a-number
1•ksaweryskowron•5m ago•0 comments

Data Exfil from Agents in Messaging Apps

https://www.promptarmor.com/resources/llm-data-exfiltration-via-url-previews-(with-openclaw-examp...
2•sarelta•6m ago•0 comments

Remote Access Security Act Closes the Cloud Loophole in the US Export

https://exportcompliancemanager.com/articles/will-the-remote-access-security-act-close-the-cloud-...
1•sharpshadow•8m ago•0 comments

Global biodiversity loss, ecosystem collapse and national security [pdf]

https://assets.publishing.service.gov.uk/media/696e0eae719d837d69afc7de/National_security_assessm...
1•andyjohnson0•8m ago•0 comments

Asteroid Bennu Just Changed the Origin Story of Life

https://scitechdaily.com/asteroid-bennu-just-changed-the-origin-story-of-life/
2•geox•9m ago•0 comments

Dutch parties strike minority coalition after D66 election upset

https://www.theguardian.com/world/2026/jan/28/dutch-minority-coalition-after-d66-election-upset
1•PaulHoule•9m ago•0 comments

The dazzling discovery of Tutankhamun's tomb

https://www.bbc.com/culture/article/20260205-the-discovery-of-tutankhamuns-tomb
1•rolph•11m ago•0 comments

The Diary of Mary Cooper [pdf]

https://nationalhumanitiescenter.org/pds/becomingamer/peoples/text5/marycooper.pdf
1•whatisabcdefgh•12m ago•0 comments

Show HN: Distill – AI summaries and Worth It scores for YouTube videos

https://chromewebstore.google.com/detail/distill-youtube-video-sum/plllepklppgopiobiecalocnfcdoekjg
1•flashdoc•12m ago•0 comments

GPT-5.3-Codex is now generally available for GitHub Copilot

https://github.blog/changelog/2026-02-09-gpt-5-3-codex-is-now-generally-available-for-github-copi...
3•vyrotek•13m ago•0 comments

The Consequences of Outsourced Thinking

https://www.neilwithdata.com/outsourced-thinking
2•FeteCommuniste•14m ago•0 comments

In Memoriam – Robert Tinney Illustrations

https://tinney.net/in-memoriam
1•rbanffy•17m ago•0 comments

How do you use AI to program Three.js 3D games?

1•roschdal•17m ago•0 comments

Silicon Photonics in the Data Center: What a CMOS Exec Needs to Know

https://semiengineering.com/silicon-photonics-in-the-data-center-what-a-cmos-exec-needs-to-know/
2•matt_d•17m ago•0 comments

Postgres Backend Platform with full stack, instant cloning, branching and

https://github.com/simplyblock/vela
2•noctarius•19m ago•0 comments

Metaprogramming in Jai [video]

https://www.youtube.com/watch?v=0lGSTBqJ2nM
1•eudamoniac•19m ago•1 comments

What Is Claude? Anthropic Doesn't Know, Either

https://www.newyorker.com/magazine/2026/02/16/what-is-claude-anthropic-doesnt-know-either
2•littlexsparkee•21m ago•1 comments

Digital Sovereignty Initiatives and the U.S. Assault on Research

https://www.hpcwire.com/2026/02/09/digital-sovereignty-initiatives-and-the-u-s-assault-on-research/
2•rbanffy•21m ago•0 comments

Best Note-Taking App for Personal and AI Prompts

https://www.viewert.com
1•Sunrostern•21m ago•0 comments

Anthropic Closes in on $20B Round

https://techcrunch.com/2026/02/09/anthropic-closes-in-on-20b-round/
1•tosh•22m ago•0 comments

Letting Gemini Drive My Rover

http://martin.drashkov.com/2026/02/letting-gemini-drive-my-rover.html
1•martythemaniak•22m ago•0 comments

Show HN: GithubDownfall – Track GitHub incidents and downtime

https://githubdownfall.com
2•danscan•22m ago•0 comments

"Building a Self-Sustaining Trading and Learning Ecosystem"

1•MIKAxGSF•24m ago•0 comments

Modernizing my "150-line" Python search engine

https://bart.degoe.de/modernizing-python-search-engine/
3•bartdegoede•25m ago•1 comments

A New Chapter for Gather

https://www.gather.town/blog/new-chapter
1•zodo123•25m ago•0 comments