Atomic Server vs Cosmos DB
Atomic Server is a other database; Cosmos DB is a multiple database. Atomic Server (2020-08, MIT, Rust) ranks #16 this month; Cosmos DB (2014-08, Proprietary, C++) ranks #29.
| Attribute | Atomic Server | Cosmos DB |
|---|---|---|
| At a glance | ||
| Rank | #16 | #29 |
| Score | 58.9 | 54.1 |
| GitHub stars | 1.6k | — |
| Popularity | 57.5 | 53.8 |
| Activity | 74.9 | 49.9 |
| Community | 30.3 | 39.1 |
| Research | 77.6 | 87.7 |
| Fundamentals | ||
| Description | A lightweight Rust graph database built around the Atomic Data specification. Provides event-sourced versioning, hierarchical authorization, and real-time sync via WebSockets. | A globally distributed multi-model database service on Microsoft Azure with property graph support through the Apache Gremlin API. Offers multi-region replication and multiple consistency models. |
| Vendor | Ontola | Microsoft |
| Model | Other | Multiple |
| Kind | database | database |
| Category | Emerging | Enterprise |
| First released | 2020-08 | 2014-08 |
| Status | active | active |
| License | MIT | Proprietary |
| Written in | Rust | C++ |
| Query languages | Custom API | Gremlin, SQL |
| gdotv support | no | yes |
Feature scores — not surveyed for Atomic Server
| Feature | Atomic Server | Cosmos DB |
|---|---|---|
| Community & Business | ||
| Active development | — | ✓ |
| Commercial support | — | ✓ |
| Live community | — | 0.5 |
| Open Source | — | · |
| Pricing | — | ✓ |
| Trendiness | — | ✓ |
| Deployment | ||
| Containerization | — | 0.5 |
| Work as dedicated instance | — | ✓ |
| Work as embedded | — | · |
| Testing in-memory version | — | ✓ |
| Platform | ||
| Operating on Linux | — | · |
| Operating on Windows | — | ✓ |
| SaaS offering | — | ✓ |
| Operations | ||
| Automatic updates | — | ✓ |
| Client side caching | — | · |
| Data versioning support | — | · |
| Live backups | — | ✓ |
| Distribution | ||
| Cluster Re-balancing | — | 0.5 |
| Data Distribution | — | ✓ |
| High-Availability | — | ✓ |
| Query Distribution | — | ✓ |
| Replication support | — | ✓ |
| Developer Experience | ||
| Data types defined | — | · |
| Logging/Auditing | — | ✓ |
| Object-Graph Mapper | — | ✓ |
| Reactive programming | — | ✓ |
| Documentation up-to-date | — | ✓ |
| Binary protocol | — | · |
| CLI | — | ✓ |
| GUI | — | ✓ |
| Data Model | ||
| Multi-database | — | ✓ |
| Graph-native data | — | · |
| REST API | — | ✓ |
| Query Language | — | ✓ |
| Transactions | ||
| Granular locking | — | · |
| Multiple isolation levels | — | ✓ |
| Read committed transaction | — | ✓ |
| Transaction support | — | 0.5 |
| Schema & Security | ||
| Constraints | — | · |
| Schema support | — | · |
| Secondary indexes | — | ✓ |
| Server side procedures | — | ✓ |
| Triggers | — | ✓ |
| Authentication | — | ✓ |
| Authorization | — | ✓ |
| Data encryption | — | ✓ |
Links
- Atomic Server · website · github · full profile
- Cosmos DB · website · full profile