Observable Notebooks: Fast data exploration and prototyping

Quickly explore and analyze data, build prototype data visualizations, and collaborate with your tea...

Octoparse（オクトパース・オクトパス）| Webスクレイピング・クローラーツール｜ノーコードで無料

Octoparseはコーディング不要のWebスクレイピングツールです。あらゆるWebサイトのデータを数分で自動収集。営業リスト作成・価格監視・市場調査・リード獲得など幅広い用途に対応。無料プランからご...

OFUSE (オフセ) | ファンクラブをつくろう・ファンレターを受け取ろう

OFUSEは、ファンクラブやファンレターによる支援の受付を、無料で簡単に始められる、アーティスト・クリエイター向けのファンコミュニケーションツールです。

Fluidwave: Act Wisely

Enter a state of focus and clarity. Fluidwave helps you stay in the flow, knowing exactly what to do...

Onlook — Cursor for Designers

Onlook is a next-generation visual code editor that lets designers and product managers craft web ex...

OpenAI.fm

An interactive demo for developers to try the new text-to-speech model in the OpenAI API

OpenPanel Analytics | An open-source alternative to Mixpanel

OpenPanel is an open-source web and product analytics platform, an open-source alternative to Mixpan...

OpenRouter

The unified interface for LLMs. Find the best models & prices for your prompts

openstatus - The open-source status page trusted by growing teams | openstatus

Ship your status page before your SOC 2 auditor asks for it. Communicate incidents, prove compliance...

Free Form Builder with Unlimited Submissions - OpnForm

Build beautiful, powerful forms for free with OpnForm. Unlimited submissions, rich features, and sea...

PageOn.AI — AI Presentation & Infographic Maker

Create stunning presentations, infographics, and visual content with AI agents. Dynamic, interactive...

Free Online Form Builder & Form Creator for SMBs in 2026 | Paperform

Create forms and surveys, take payments, automate workflows and send documents for signing, all from...