The Matic Network is a sidechain based scaling solution for public blockchains. Matic aims to allow developers to better scale their Ethereum DApps by using a version of Plasma, along with side chains that use a PoS consensus mechanism. Matic plans on supporting other blockchains as well in order to facilitate interoperability.

Ignis is a blockchain platform that is being developed by Jeluirda; the company behind Ardor and Nxt. Ignis is a child chain of the Nxt blockchain. Jelurida is developing blockchain platforms that will enable users to develop decentralized applications, and will be based on a parent and child chain architecture.
Ignis allows users to create child chains with specific features and to create tokens that meet their needs. This project is closely related to Ardor and Nxt.

Smartlands is a Stellar-based tokenization platform designed to let users create tokens for a variety of use cases. The Smartlands platform will allow token issuers to manage many legal, compliance, and due diligence procedures. It will also enable tokens to be backed by collateral and held in escrow by a custodial service. Tokens created on Smartlands will be traded on their decentralized exchange that will be powered by the SLT token.