Apache-2.0 and paid services

Open source usage rights, optional support, customization and enterprise delivery.

Software and service boundary

Open source release

Viewer and Engine source is available at https://github.com/docviewkit/viewer under Apache-2.0 from v0.2.75; previously published packages retain their included licenses.

OfferingWhat it provides
Open source softwareViewer, Engine API, every supported format, UI slots, CSS parts, minimal mode with only the document rendering workspace, and watermarks under Apache-2.0. No runtime license or mandatory branding.
SupportIntegration guidance, compatibility diagnosis and agreed response times.
CustomizationServices include contract-scoped performance customization and document fidelity or integration work. A format-specific build can omit unused format modules, reduce delivered assets, and optimize first-open and target-document paths.
Enterprise deliveryDeployment validation, reproducible builds, acceptance evidence, training and an agreed SLA.

Apache-2.0 allows commercial use, modification and redistribution subject to its notice and license conditions. Third-party components and fonts retain their own licenses. Paid services do not replace or restrict the software license; DocViewKit trademarks are separate.

Service requests

Contact novalag778@gmail.com for support, customization or enterprise delivery. Include your use case, DocViewKit version, target environment and delivery timeline; scope, quotation and acceptance criteria are agreed by email. No website account or application registration is required.