Best AI Research Tools of 2026

Create invoices in seconds. No backend. Fully offline. Save everything locally.A lightweight desktop app for macOS and Windows that lets you create and manage invoices without any backend setup. It stores everything locally and offers three core modules - Addresses, Products/Services, and Invoices - so you can keep your client details, offerings, and invoice history organised in one place.Additional Features✔ Invoice SearchFind any invoice instantly using the built-in search bar.✔ Sort & FilterSort invoices by date or filter by status (Paid / Sent) to stay organized.✔ Multiple TemplatesChoose from different invoice designs to match your brand.✔ Custom Invoice PrefixSet your own invoice numbering prefix for better tracking.✔ Custom Date FormatSelect the date format that fits your workflow.✔ Adjustable Tax RatesSet default tax values or adjust them per invoice.✔ PDF ExportDownload professional, ready-to-share PDF invoices.✔ Print & View ModePreview invoices and print them directly from the app.✔ Live Invoice PreviewSee real-time updates while creating or editing an invoice.What’s Included macOS app (.dmg) Windows app (.exe) Download Trial Version

Track and optimize your content for ChatGPT, Perplexity, Claude, and all major AI search engines. Th

Analyze US, Japan, and Korea market fundamentals and 13F filings. Use this paid

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Unlock Reddit's potential for your business. Analyze 52M+ daily active users to discover market opportunities and understand customer needs.

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Explore TiniAid, a research-shaped ADHD focus app for iPhone that uses structured, techno-inspired sound as an alternative to white noise, generic playlists, and timer-first productivity apps.

Sharpen communication skills with a voice-first AI opponent. Free for students and educators, supporting WSDC, BP, and Policy formats.

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Modern, fast, and beautiful content management for developers and creators. Build and publish your d