Self-hosted apps that integrate with Apache Pulsar

4 open-source, self-hostable projects list Apache Pulsar as an integration.

• quickwitOpen-source self-hosted search engine for observability: full-text search and aggregations on logs and traces in S3 or MinIO, with an Elasticsearch-compatible API.
• timeplusSelf-hosted, open-source streaming SQL engine for real-time analytics and AI — a lightweight alternative to ksqlDB and Flink powered by ClickHouse.
• structrATTENTION: This repository is a clone of https://gitlab.structr.com/structr/structr. All development/issue tracking has moved there. | Structr is an integrated open-source low-code development and runtime environment that uses a graph database (Neo4j).
• Apache PinotOpen-source distributed OLAP database for user-facing apps and AI agents. Provides sub-second queries on fresh streaming data with high concurrency.