Showing 63 apps in the Data Management & Visualization category.

Show HN: I visualized the entire history of Citi Bike in the browser
113

I visualized the entire history of Citi Bike in the browser

Visualization of the entire history of Citi Bike, the largest bike-sharing system in the US.

@freemanjiang
6 days ago
By Freeman Jiang
Show HN: We built a permissions layer for Notion
12
Notion Portals

We built a permissions layer for Notion

Share Notion databases securely with clients. Row-level filtering, column hiding, real-time sync. No Notion account needed for clients.

@PEGHIN
5 days ago
By Notion Portals
Show HN: Clean HTML for Semantic Extraction
5
Interactive Demo

Clean HTML for Semantic Extraction

Interactive demo to clean HTML for RAG pipelines and LLM ingestion. Reduce tokens by 60-90% while preserving semantic structure. Perfect for embeddings and vector databases.

@nirvanist
5 days ago
Show HN: Giant JSON Viewer – Open 1GB+ JSON Files on Android (Rust and MMAP)
2
Giant JSON Viewer

Giant JSON Viewer – Open 1GB+ JSON Files on Android (Rust and MMAP)

Native Android app for opening huge JSON files. Handles multi-gigabyte files that crash other viewers. Features tree navigation, regex search, smart filtering, and export to SQL/CSV.

@kotysoft
about 6 hours ago
By Kotysoft
Show HN: I built a Postgres GUI in Swift because existing tools felt bloated
9
PostgresGUI

I built a Postgres GUI in Swift because existing tools felt bloated

Best looking PostgreSQL GUI for Mac. Open-source, native macOS app. Lightweight (3.3 MB), fast queries, dark mode support. The postgres client Mac developers love.

@fikrigha
4 days ago
By PostgresGUI
Show HN: Layoffstoday – Open database tracking for 10k Companies
4
LayoffsToday

Layoffstoday – Open database tracking for 10k Companies

Track layoffs across 10,000+ companies in every industry. Real-time alerts, risk scores, and workforce cuts updated daily. Is your company next?

@doremon0902
5 days ago
Show HN: MCP for browsing, searching, exporting, backing up Cursor chat history
2
GitHub

MCP for browsing, searching, exporting, backing up Cursor chat history

MCP server for browsing, searching, and exporting Cursor AI chat history. - S2thend/cursor-history-mcp

@mikasisiki
3 days ago
By S2thend
Show HN: We Identified a Counterfeit Pharmaceutical Product in Uzbekistan
6
Yash's Marketing And Tech Blogs

We Identified a Counterfeit Pharmaceutical Product in Uzbekistan

Counterfeit medicines are not a theory.We detected them using data. I recently shared a real case where DataMatrix-based automationexposed counterfeit pharma products across borders. This wasn’t co…

@yashsm01
3 days ago
Show HN: Intelligent search and analysis for your browsing history
5
Chrome Web Store

Intelligent search and analysis for your browsing history

The smarter browser history

@fiveleavesleft
1 day ago
Show HN: A dashboard for VS Code extension authors to track search rankings
1

A dashboard for VS Code extension authors to track search rankings

Track your VS Code extension rankings in the Visual Studio Marketplace

@devoxyes
about 16 hours ago
Show HN: AI and Tech Trends Dashboard
1
HN · Midjourney · GitHub Live

AI and Tech Trends Dashboard

Live dashboard streaming Hacker News front-page threads, Midjourney inspiration, and trending GitHub repos refreshed hourly at the edge.

@neuraldenis
2 days ago
Show HN: A read-only CLI for agents to search your Messages.app history
2
GitHub

A read-only CLI for agents to search your Messages.app history

macos-messages is a Python library and CLI for reading your macOS Messages.app data. It gives you quick, easy, read-only access to your iMessage and SMS history. - tpritc/macos-messages

@tompritchard
4 days ago
By tpritc
Show HN: Visualize full Claude Code CLI sessions in a rich UI
1
Gumroad

Visualize full Claude Code CLI sessions in a rich UI

A beautiful dark-mode viewer for Claude Code conversations. See thinking, tools, and code in one place.Discover Your Claude Code CLI ChatsEver wondered what Claude is thinking when it writes code for you? Want to review past sessions, understand tool usage, or export conversations for documentation?Claude Code Viewer is a single HTML file that transforms your local Claude Code history into a beautiful, browsable interface.What You Get- One HTML file - No installation, no dependencies, no server- Dark mode interface - Easy on the eyes, looks great- Full conversation history - Browse all your Claude Code sessions by project- See Claude’s thinking - Expand thinking blocks to understand the reasoning- Tool visualization - See exactly how Claude uses Read, Write, Edit, Bash, and other tools- Syntax highlighting - Beautiful code formatting for 20+ languages- Diff views - See file edits with red/green highlighting- Search & filter - Find any conversation instantly- Export to Markdown - Download sessions for Obsidian, Notion, or documentation- Keyboard shortcuts - Navigate like a pro (J/K, E/C)Perfect For- Developers wanting to review past coding sessions- Researchers studying how AI coding assistants work- Teams documenting AI-assisted development- Anyone curious about Claude Code’s inner workingsHow It Works1. Open the HTML file in Chrome or Edge2. Click “Open .claude Folder”3. Select your ~/.claude directory4. Browse, search, and export your conversationsThat’s it. Your data stays local. Nothing is uploaded anywhere.Important: Requirements & LimitationsBrowser Requirements:- ✅ Google Chrome 86+ (recommended)- ✅ Microsoft Edge 86+- ❌ Firefox (not supported - no File System Access API)- ❌ Safari (not supported)- ❌ Mobile browsers (desktop only)What This Reads:- ✅ Claude Code CLI sessions (stored in ~/.claude)- ❌ NOT supported: Claude.ai code web conversations (stored on Anthropic’s servers)Other Notes:- Read-only viewer - cannot modify or delete conversations- Requires internet for syntax highlighting (highlight.js CDN)- Large conversation histories may take a few seconds to load---## UpdatesBuy once, get updates. Drop me a message if you have feature requests.---Built by a Claude Code power user who wanted a better way to review sessions.

@rcanand2025
5 days ago
Show HN: I built a health score for 1,800 Laravel packages
3
LaraPlugins.io

I built a health score for 1,800 Laravel packages

Discover the best Laravel packages with our automated health score based on Composer and GitHub metrics.

@danielpetrica
6 days ago
By Daniel Petrica
Show HN: DSAT – Data Subject Access Toolkit
2
Codeberg.org

DSAT – Data Subject Access Toolkit

Data Subject Access Toolkit — a toolkit to manage consents and data processing basises and automatically generate subject access exports just in time

@anticensor
about 15 hours ago
By erkinalp
Show HN: 15 Years of StarCraft II Balance Changes Visualized Interactively
9

15 Years of StarCraft II Balance Changes Visualized Interactively

The complete timeline of StarCraft II balance. Analyze 15 years of Blizzard patches, detailing every buff and nerf for Zerg, Terran, and Protoss units. Interactive visualization built with D3.js.

@stared
3 days ago
Show HN: Grammar of Graphics CLI tool made in Rust
4
GitHub

Grammar of Graphics CLI tool made in Rust

A command-line tool for plotting data from CSV files using a grammar of graphics syntax. - williamcotton/gramgraph

@williamcotton
6 days ago
Show HN: BmuS Backup tool now supports Docker
1
GitHub

BmuS Backup tool now supports Docker

BmuS is a powerful free bash based enterprise level backup program for the automated backup of files, directories, and MySQL databases from a Linux / Raspberry Pi system to a NAS or network drive.…

@bmus
about 7 hours ago
By back-me-up-scotty
Show HN: Java In-Memory search using Forage
2
logo

Java In-Memory search using Forage

In-memory Search made Easy - A library that helps you build an in-memory search index using Lucene

@tusharnaik
1 day ago
Show HN: Slim – 50% fewer tokens than JSON for LLM applications
1
GitHub

Slim – 50% fewer tokens than JSON for LLM applications

Token-efficient data serialization for AI/LLM applications - matteuccimarco/slim-protocol-core

@matteuccimarco
3 days ago
Show HN: Crossview – visualize Crossplane resources and compositions
1
GitHub

Crossview – visualize Crossplane resources and compositions

A standard and official corpobit crossplane UI dashboard. - GitHub - corpobit/crossview: A standard and official corpobit crossplane UI dashboard.

@moeidheidari
4 days ago
By corpobit
Show HN: Tracking cargo ships approaching US ports with spatial set queries
3
Deliberate API

Tracking cargo ships approaching US ports with spatial set queries

Geofencing platform and geospatial API service for building location-based applications. Custom geofencing, geographic boundaries, and spatial relationship queries without managing complex infrastructure.

@dev_jeb
4 days ago
By dev-jeb
Show HN: A browser extension to bulk transcribe YouTube channels and playlists
3
Chrome Web Store

A browser extension to bulk transcribe YouTube channels and playlists

Free YouTube transcript downloader with AI chat & summary. Bulk extract video captions & export. ChatGPT powered.

@munjyong
4 days ago
Show HN: Self-hosted multi repo visualization tool
1

Self-hosted multi repo visualization tool

No description available.

@reposquirrel
4 days ago
Show HN: On-device natural language search for your iPhone photos
3
App Store

On-device natural language search for your iPhone photos

Download Momento - Find Every Photo by Sumlane UG (haftungsbeschraenkt) on the App Store. See screenshots, ratings and reviews, user tips, and more games like…

@felixde
5 days ago
By Sumlane UG (haftungsbeschraenkt)
Show HN: ApiTap – Stream APIs to any Data Warehouse with SQL (Rust + DataFusion)
2
ApiTap

ApiTap – Stream APIs to any Data Warehouse with SQL (Rust + DataFusion)

Stream data from any API to your warehouse. 100 pipelines, 20 sources, free forever.

@kotekaman
5 days ago
Show HN: Scribble – streaming-friendly transcription engine in Rust
2
GitHub

Scribble – streaming-friendly transcription engine in Rust

Transcription server and library written in Rust. Contribute to itsmontoya/scribble development by creating an account on GitHub.

@hatchjosh
6 days ago
By itsmontoya
Show HN: A Python tool to turn your ChatGPT history to Word clouds and md files
2
GitHub

A Python tool to turn your ChatGPT history to Word clouds and md files

Extract your entire ChatGPT history from JSON files to nicely formatted markdown files + Word clouds. - mohamed-chs/chatgpt-history-export-to-md

@mohamedchs
6 days ago
By mohamed-chs
Show HN: I Created Wizible – A Windows Widget for Plausible Analytics
2
XAKPC Dev Labs

I Created Wizible – A Windows Widget for Plausible Analytics

Windows Widget that displays your website analytics directly in the Widgets panel. Monitor traffic, track goals, and spot trends at a glance.

@xakpc
6 days ago
By XAKPC Dev Labs
No image available
137

Librario, a book metadata API that aggregates G Books, ISBNDB, and more

No description available.

@jamesponddotco
3 days ago
No image available
43

Customizable OSINT dashboard to monitor the situation

Real-time geopolitical monitoring dashboard

@ericlmtn
1 day ago
No image available
8
GitHub

bikemap.nyc – visualization of the entire history of Citi Bike

🚲 Every Citi Bike ride ever taken visualized on a map - freeman-jiang/bikemap.nyc

@freemanjiang
6 days ago
By freeman-jiang
No image available
2
AI-Powered 3D Container Loading Optimizer

GPT Packer conversational container packing with 3D load plans

Optimize your container loading with AI. Calculate the best arrangement for boxes, pallets, and cargo with interactive 3D visualization.

@reverseblade2
6 days ago
By GPT Packer
No image available
4

Data from a mixed-brand LiFePO₄ battery bank

No description available.

@wkcollis1
about 11 hours ago
No image available
36

Interactive California Budget (by Claude Code)

No description available.

@sberens
3 days ago
No image available
5
13Radar

I built a tool to visualize the Peter Thiel stock portfolio (13F data)

View Peter Thiel’s Q3 2025 13F portfolio. Track stock picks, top holdings (TSLA,MSFT), and visualize historical trends & sectors.

@PanicSellGuru
2 days ago
No image available
2
GitHub

Perseus – A Python SDK to turn text into knowledge graphs (GraphRAG)

Contribute to Lettria/perseus-client development by creating an account on GitHub.

@Louis-Nicolas
1 day ago
By Lettria
No image available
2

I Built a Tool to Visualize "Bus Factor" and Knowledge Silos in GitHub

No description available.

@Warlax
5 days ago
No image available
2

Visualise your 2025 Strava runs like GitHub heatmap

Generate a visual 365-dot grid of your Strava activities for 2025.

@leonagano
6 days ago
No image available
3
GitHub

Symfreq – Analyse symbol frequencies in code (Rust)

CLI tool to identify the most frequently used symbols in source code built in Rust - vaskort/symfreq

@vaskort
3 days ago
No image available
1

Online compiler with real-time stdin/stdout and AI debugging

No description available.

@notamitgamer
about 15 hours ago
No image available
1

Deterministic state machine to sonify trading volatility

No description available.

@internintern
about 15 hours ago
No image available
1
TV Ratings Dashboard

Watchfolio – TV show ratings as stock market charts

Professional TV show ratings analysis. Episode data visualized as market charts. Data from SeriesGraph.com

@abishekvenkat
about 19 hours ago
No image available
2
Ask AI about Tokyo land prices

Tokyo Land Price AI – RAG App to Explore Tokyo Land Prices

Explore and understand Tokyo land prices by asking questions, powered by real land price data and an interactive map.

@spider-hand
2 days ago
No image available
1
System of Record

Stewardly - tracking software, renewals, ownership, and audit context

No description available.

@xyzadam
2 days ago
No image available
1
GitHub

A mini paged-KV and prefix-cache scheduler (learning inference engine)

mini llm infer engine w/ radix cache + paged attention + blockmanager - tyfeng1997/tailor

@bofeng1997
3 days ago
By tyfeng1997
No image available
2

I built a tool that turns raw outage timelines into public postmortems

No description available.

@tasssmaal
3 days ago
No image available
1

Machine Learning Interactive Visualizations

No description available.

@bmusuku
3 days ago
No image available
1

SSL Radar – Real-time CT logs with probabilistic data structures

Watch probabilistic data structures process millions of SSL certificates in real-time with minimal memory.

@lopezb
3 days ago
No image available
1
GitHub

I created an interactive tool to visualize various ML algorithms

Interactive labs designed to visualize the behaviour of various Machine Learning algorithms. - GitHub - YashArote/descent-visualisers: Interactive labs designed to visualize the behaviour of vario…

@yasharote28
3 days ago
By YashArote
No image available
2
BridgeRust

Embex – 9K organic downloads in 2 weeks with zero marketing

Embex is a universal vector database ORM for Python and Node.js. Switch between vector databases with zero code changes.

@mimchak
3 days ago
No image available
1
lolodex

Lolodex turns email threads and attachments into clean/searchable notes

Forward any email to Lolodex and get a structured summary with decisions, action items, and links—automatically organized.

@yungookim
3 days ago
No image available
2
Monitor Supply

Monitor Supply – compare monitors with normalized specs

Compare monitors with standardized specs, launch year, PPI, Retina Rating, and compatibility info. Find the perfect monitor with side-by-side comparisons.

@gamebot78
3 days ago
By Monitor Supply
No image available
1

I built a visualization of top AI X account interactions

No description available.

@marv1nnnnn
4 days ago
No image available
2
dbtree

dbtree – CLI tool to print database schemas as trees, lists, or charts

A tool to visualize database schemas right inside your terminal.

@viveknathani_
4 days ago
No image available
2

SpeedyEDA – One-line exploratory data analysis

No description available.

@dawitworku
4 days ago
No image available
2
Edge-First Serverless Platform

Lshort – Real-time link tracking with globe visualization

Lshort is an edge-first serverless platform that enables developers to build and deploy applications with unparalleled speed and scalability.

@develiasolie
4 days ago
No image available
3
Bastian Gruber

Embermarks – Rediscover your forgotten bookmarks

Rediscover your forgotten bookmarks

@recvonline
4 days ago
No image available
2
GitHub

Transform any log output into beautiful, readable format

Transform any log output into beautiful, readable format - skorotkiewicz/logbeautify

@modinfo
5 days ago
By skorotkiewicz
No image available
2

An Alternative UI for DuckDB

No description available.

@hfmsio
5 days ago
No image available
2
GitHub

Fast (0.5 GB/SEC) dedup utility for the era of LLMs written in C23

Fast (0.5 GB/sec) deduplication utility for the era of LLMs written in C - ThirdLetterC/corpus-dedup

@yehors
5 days ago
By ThirdLetterC
No image available
2
Detection Coverage Validator

DCV lets you see which ATT&CK techniques your cloud environment detects

A13E Detection Coverage Validator - Map your AWS and GCP security detections to MITRE ATT&CK and identify coverage gaps

@osuide
5 days ago
No image available
2
GitHub

Versioned and encrypted backups for macOS app settings

Securely archive and reinstate your macOS application configurations, simplifying system recovery processes. - sstraus/SettingsSentry

@stefanostraus
6 days ago
By sstraus