mfold on the UNAFold Web Server
unafold.orgNucleic-acid folding calculations with explicit constraints
Nucleic-acid folding calculations with explicit constraints
PDF reading, forms, and annotations on mobile devices
Fill, sign, and assemble PDFs from several input routes
Proxy and VPN access with distinct peer-sharing and paid forms
Calculate returns, portfolio statistics and allocation weights in Python
Layer-based vector drawing with procedural repeat and modifier sequences
Build Saudi checkout and invoice collection with platform payout tools
Share booking links that sync with Google, Outlook, or iCloud and show invitees local availability.
A Russian corporate messenger with direct and group chats, channels, and comment threads.
Build web pages and command-line programs with a general-purpose scripting language and interpreter.
A privacy-focused collaborative office suite with real-time rich-text documents and controlled sharing.
Monero trading software for independently operated peer-to-peer markets
Complete and annotate PDF forms in a browser
Custom estimate forms with formulas and conditional fields
Online PDF forms, editing, and signature requests
PDF annotation, forms, OCR, and small content edits
Simple PDF completion with embeddable business workflows
Track calls, forms and chats, then compare qualified leads and sales value.
Live polling inside PowerPoint with separate question and result slides
Self-hosted marketing campaigns with segment and form entry rules