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  Please read the Show HN rules and tips before posting. You can browse the newest Show HNs here.                                                                           
                                                                                                                                                                            
                                                                                                                                                                            
 1.                                                     Show HN: Resonate – Low-latency, high-resolution spectral analysis ( alexandrefrancois.org )                        
     10 points by arjf 1 hour ago | 7 comments                                                                                                                              
                                                                                                                                                                            
 2.                                                     Show HN: Gravity – interactive solar-system simulator, from Newton to Einstein ( qunabu.github.io )                 
     133 points by qunabu 11 hours ago | 34 comments                                                                                                                        
                                                                                                                                                                            
 3.                                                     Show HN: GentleOS – A pair of hobby OSes for vintage 32-bit and 16-bit PCs ( github.com/luke8086 )                  
     83 points by luke8086 10 hours ago | 87 comments                                                                                                                       
                                                                                                                                                                            
 4.                                                     Show HN: Cost.dev (YC W21) – making agents cost-aware and cheaper to call ( cost.dev )                              
     44 points by akh 6 hours ago | 23 comments                                                                                                                             
                                                                                                                                                                            
 5.                                                     Show HN: Maillune – Embeddable drag-and-drop email editor as a single component ( maillune.com )                    
     5 points by gustavssondev 2 hours ago | discuss                                                                                                                        
                                                                                                                                                                            
 6.                                                     Show HN: Learn from 30 historical figures, open source, nonprofit, self-hosted ( github.com/chipmates )             
     33 points by micstradev 7 hours ago | 14 comments                                                                                                                      
                                                                                                                                                                            
 7.                                                     Show HN: A minimal linear algebra library in pure Go ( github.com/igomez10 )                                        
     2 points by igomeza 1 hour ago | discuss                                                                                                                               
                                                                                                                                                                            
 8.                                                     Show HN: LANCommander v2.1.0 – New Avalonia-based launcher ( lancommander.app )                                     
     5 points by pathartl 2 hours ago | discuss                                                                                                                             
                                                                                                                                                                            
 9.                                                     Show HN: Elah – A browser-native, frame-accurate video editor ( github.com/elahlabs )                               
     2 points by paulSpaurgen 1 hour ago | discuss                                                                                                                          
                                                                                                                                                                            
10.                                                     Show HN: OpenYabby, voice-controlled multi-agent orchestrator for Claude Code ( github.com/openyabby )              
     5 points by idovmamane 2 hours ago | discuss                                                                                                                           
                                                                                                                                                                            
11.                                                     Show HN: LocalCode – turn plain English into CLI commands with Apple's local AI ( github.com/localcodeai )          
     2 points by rahlokzero 2 hours ago | discuss                                                                                                                           
                                                                                                                                                                            
12.                                                     Show HN: Performative-UI – A react component library of design tropes ( vorpus.github.io )                          
     1125 points by lizhang 1 day ago | 204 comments                                                                                                                        
                                                                                                                                                                            
13.                                                     Show HN: Open-source version of Anthropic's internal analytics engine ( github.com/kaelio )                         
     8 points by lucamrtl 6 hours ago | 2 comments                                                                                                                          
                                                                                                                                                                            
14.                                                     Show HN: I applied Lyapunov stability theory to detect when LLM agents spiral ( github.com/vishal-dehurdle )        
     3 points by visha1v 3 hours ago | 1 comment                                                                                                                            
                                                                                                                                                                            
15.                                                     Show HN: Gitdot – A better GitHub. Open-source, written in Rust ( gitdot.io )                                       
     311 points by baepaul 1 day ago | 290 comments                                                                                                                         
                                                                                                                                                                            
16.                                                     Show HN: Nodea, an open-source AI canvas for working through complex projects ( nodea.ai )                          
     4 points by ElliottCrosby 5 hours ago | discuss                                                                                                                        
                                                                                                                                                                            
17.                                                     Show HN: AutoGPU – AI designs a real 7nm GPU, from Verilog to GDSII ( github.com/npip99 )                           
     4 points by npip99 6 hours ago | discuss                                                                                                                               
                                                                                                                                                                            
18.                                                     Show HN: Claw Patrol, a security firewall for agents ( github.com/denoland )                                        
     20 points by rough-sea 6 hours ago | 4 comments                                                                                                                        
                                                                                                                                                                            
19.                                                     Show HN: AI-native red-team for penetration testing and vulnerability research ( github.com/yv1ing )                
     2 points by yv1ing 7 hours ago | discuss                                                                                                                               
                                                                                                                                                                            
20.                                                     Show HN: ChromiumFish – Open-source fingerprint-hardened Browser for Scraping ( github.com/arman-bd )               
     6 points by armanified 7 hours ago | 1 comment                                                                                                                         
                                                                                                                                                                            
21.                                                     Show HN: Command Center, the AI coding env for people who care about quality ( cc.dev )                             
     59 points by Darmani 1 day ago | 29 comments                                                                                                                           
                                                                                                                                                                            
22.                                                     Show HN: A terminal writing environment with Git, E2EE sync and temporal search                                     
     3 points by sys-ronin 8 hours ago | 1 comment                                                                                                                          
                                                                                                                                                                            
23.                                                     Show HN: Cate – open-source canvas IDE for agentic coding workflows ( cero-ai.com )                                 
     5 points by Imbiss 8 hours ago | discuss                                                                                                                               
                                                                                                                                                                            
24.                                                     Show HN: I built 10 ML algos from scratch because fit() predict() are not enough ( github.com/ml-from-scratch-book )
     5 points by akmoleksandr 8 hours ago | 1 comment                                                                                                                       
                                                                                                                                                                            
25.                                                     Show HN: Mach – A compiled systems language looking for contributions ( github.com/octalide )                       
     29 points by octalide 23 hours ago | 25 comments                                                                                                                       
                                                                                                                                                                            
26.                                                     Show HN: Frhog, Your Friendly Head of Growth ( frhog.com )                                                          
     4 points by krm01 8 hours ago | 1 comment                                                                                                                              
                                                                                                                                                                            
27.                                                     Show HN: Hires Chess Trainer – drill the mistakes from your own chess games ( github.com/gaelazzo )                 
     2 points by gaelazzo 8 hours ago | 1 comment                                                                                                                           
                                                                                                                                                                            
28.                                                     Show HN: Sandbox AI-app lifecycle, from build to run ( capakit.com )                                                
     6 points by leroman 9 hours ago | 1 comment                                                                                                                            
                                                                                                                                                                            
29.                                                     Show HN: Run Gemini & ChatGPT UI with Python ( github.com/pseudo-usama )                                            
     3 points by pseudo-usama 9 hours ago | 3 comments                                                                                                                      
                                                                                                                                                                            
30.                                                     Show HN: Simten – design hardware in TypeScript and simulate it in the browser ( simten.dev )                       
     2 points by charlesfrisbee 9 hours ago | discuss                                                                                                                       
                                                                                                                                                                            
                                                                                                                                                                            
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