Head-to-Head Comparison · Alternative to AspenTech InfoPlus.21 · 🗄️ databases
AspenTech InfoPlus.21 vs TDengine
High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments. Here is how TDengine ($0/mo open source) stacks up against AspenTech InfoPlus.21 ($25/mo) across cost, hosting, data privacy, and real-world trade-offs.
TDengine is a verified AGPL-3.0-licensed open-source replacement for AspenTech InfoPlus.21. Switching from AspenTech InfoPlus.21 ($25/mo) saves $300/yr per solo seat, or $1,500/yr for a 5-person team. Deployment: Runs on Self-host.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed kdb+.
TDengine
$0.00/mo · AGPL-3.0
AspenTech InfoPlus.21 vs TDengine Specifications
facts verified 2026-11-07
| Dimension | AspenTech InfoPlus.21 (Paid) | TDengine (Replacement) |
|---|---|---|
| Monthly Price | $25 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $300 / yr | $0 / yr (Save $300) |
| 1-Year Cost (5 seats) | $1,500 / yr | $0 / yr (Save $1,500) |
| 1-Year Cost (10 seats) | $3,000 / yr | $0 / yr (Save $3,000) |
| Source & License | Proprietary SaaS | open source AGPL-3.0 |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hosteddocker to self-host |
| GitHub Stars | — | ★ 25.2k (active nov 2026) |
Deep Dive: Switching from AspenTech InfoPlus.21 to TDengine
Trade-offs, installation & data architecture
What you trade away
Requires self-hosting setup, updates, and server maintenance compared to managed kdb+.
How to deploy TDengine
Clone https://github.com/taosdata/TDengine or deploy with Docker Compose
What it takes to run
Deploy via Docker or binary release from GitHub and configure environment variables.
Where your data lives
All application data and configuration live on your own server or local database.
Why fork TDengine instead of vibe-coding a AspenTech InfoPlus.21 clone?
Instead of paying recurring SaaS fees for AspenTech InfoPlus.21 or rebuilding it from scratch, deploy one of the 2 battle-tested open-source alternatives like TDengine.
AspenTech InfoPlus.21 vs TDengine FAQ
Is TDengine a good free alternative to AspenTech InfoPlus.21?+
Yes. TDengine is a verified open-source (AGPL-3.0) replacement for AspenTech InfoPlus.21. High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments.
What is the catch when switching from AspenTech InfoPlus.21 to TDengine?+
Requires self-hosting setup, updates, and server maintenance compared to managed kdb+.
How much do you save switching from AspenTech InfoPlus.21 to TDengine?+
AspenTech InfoPlus.21 costs $25/mo ($300/yr) per seat, whereas TDengine is $0/mo. Switching saves $300/yr for a solo user, $1,500/yr for a 5-person team, and $3,000/yr for a 10-person team.
How do I install or self-host TDengine instead of AspenTech InfoPlus.21?+
Install: Clone https://github.com/taosdata/TDengine or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.
