Modern Mermaid

What it does

Free online Mermaid diagram editor with live preview. Create flowcharts, sequence diagrams, class diagrams, ER diagrams, Gantt charts, and more. Support for multiple themes, annotations, and exports.

• 
  Mermaid Canvas2025 · mermaidcanvas.app · ▲7

  Create beautiful mermaid diagrams & charts online

• 
  Mermaid Chart2023 · mermaid.ai · ▲176

  A smarter way to create diagrams

• MA
  Mermaid ASCII Diagrams2024 · mermaid-ascii.art · ▲234
• 
  GUI for editing Mermaid class diagrams2025 · docs.mermaidchart.com · ▲230
• 
  Mermaid Flow2023 · mermaidflow.app · ▲32

  Mermaid Flow is a Visual Mermaid live editor that aims to simplify creating Mermaid JS Diagrams online. Currently Mermaid Flow supports Flowchart diagrams, giving you the ability to Drag and Drop nodes, edges and labels to create your Flowchart diagrams visually. This mermaid live editor is useful f

• 
  Mermaid OnlineNov 2025 · mermaidonline.live · ▲6

  mermaidonline.live is an online platform designed to make working with Mermaid diagrams more accessible, efficient, and user-friendly. Mermaid itself is an open-source JavaScript-based tool that allows users to create diagrams and visualizations using plain text syntax. Instead of manually drawing flowcharts, sequence diagrams, or Gantt charts, users can simply write text in Mermaid’s simple Markdown-like syntax, and the tool automatically generates the visual output. While Mermaid is widely used by developers, technical writers, and project managers, it often requires either local setup or…

• 
  /dev/null▲484

  a social network for devs

  Dev tools · 3d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 28d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 26d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 23d ago · openbot.run

• 
  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• 
  Guideflow▲1,338

  Create interactive product demos and step-by-step guides in seconds with Guideflow, the leading AI-powered demo automation tool.

  AI · Nov 2025 · guideflow.com

• 
  I built a synth for my daughter▲1,278

  Hardware and software projects by Ali Roberts

  Life & fun · Nov 2025 · bitsnpieces.dev

• 
  Welltory▲1,028

  Measure your wellness. Use data to feel great every day.

  Work · Nov 2025 · welltory.com

• 
  Gemini 3▲1,016

  Bring any idea to life with multimodal capabilities

  AI · Nov 2025 · blog.google

• 
  TrustMRR▲833

  LLM Gateway is a b2b artificial intelligence based in United States, founded in 2025. $259,539/month in verified Stripe revenue. $78,764 MRR. Ahrefs Domain Rating 52/100. growing 55% month-over-month. Track LLM Gateway's verified metrics on TrustMRR.

  Growth · Nov 2025 · trustmrr.com

• 
  Boing▲782

  Life & fun · Nov 2025 · boing.greg.technology