The best e-signature apps in 2026

Across the top reviewed tools, the market spans lightweight signing, broader agreement workflows, and specialized secure document operations. Documenso targets developer-led teams with embeddable, API-first signing, while PandaDoc suits sales-heavy organizations needing templates, approvals, quotes, and payments. For high-security diligence and dealmaking, Peony blends e-signatures with protected sharing, permissions, and analytics."