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ChainMemory VS Celestia

Compare ChainMemory VS Celestia and see what are their differences

ChainMemory

Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client

Rating
0 reviews
Pricing
Free
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Alternatives Is it good?
Celestia

Real-time 3D visualization of space

Rating
0 reviews
Pricing
Open source
Promote on VibeVoted
Alternatives Is it good?
Tempreon
A personal memory layer for your AI tools, connected over MCP. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Celestia seems to be more popular. It has been mentioned 31 times since March 2021.

social mentions
0 vs 31
AI popularity
100% vs 0%
alternatives listed
40 vs 66

Base details

Website, pricing, platforms and company facts side by side.

ChainMemory
Celestia
Website chainmemory.ai celestiaproject.space
Pricing
Free Official pricing
Open source
Company — 2001
Listed in
AI Memory AI Developer Tools Productivity API Tools Memory +3
Universe Simulator Virtual Universe Space Simulator Education & Reference +1

About ChainMemory and Celestia

In their own words, as submitted to SaaSHub.

ChainMemory
Celestia

ChainMemory gives your AI agents persistent memory that belongs to YOU — not to a single vendor. Save a memory in ChatGPT, recall it in Claude or Gemini. Available via Chrome extension, MCP server (npm), or REST API. Every memory gets a cryptographic fingerprint and project states are anchored...

Read more about ChainMemory

The expandable free and open-source real-time space simulator that lets you explore our universe in three dimensions.

Read more about Celestia

Features and specs

What each product offers, as listed by its team.

ChainMemory 8 features
Celestia 5 features
  • Cross-model memory
    Save in ChatGPT, recall in Claude, Gemini, Perplexity or Copilot
  • MCP Server
    Native integration with Claude Desktop, Cursor and any MCP client (npm)
  • Chrome Extension
    One-click save and context injection on any AI chat
  • Project Brain
    Consolidates memories into structured state: decisions, milestones, risks
  • Cryptographic Verification
    Merkle proofs + on-chain anchoring — independently verifiable
  • REST API
    Full backend control with per-project API keys
  • Semantic Search
    Fast semantic recall across all your memories
  • Multi-Agent Support
    Claude, Cursor and GPT share one project state with attribution
  • Open Source
    Celestia is an open-source project, meaning that the community can contribute to and enhance its functionalities. This leads to continuous improvements and updates.
  • Realistic 3D Views
    The software offers realistic 3D visualizations of celestial objects, making it a powerful tool for both educational and recreational purposes.
  • Cross-Platform
    Celestia is available for multiple operating systems, including Windows, MacOS, and Linux, broadening its accessibility.
  • Extensible
    Users can add new objects, spacecraft, and other resources, allowing for a highly customizable experience.
  • Educational Value
    It serves as an educational resource for astronomy enthusiasts, students, and teachers by providing detailed and accurate information about celestial objects.

Possible disadvantages

  • Steep Learning Curve
    New users might find the software overwhelming due to its extensive features and less intuitive interface compared to other astronomy software.
  • Performance Issues
    The software can be resource-intensive, leading to performance issues on lower-end hardware.
  • Limited Support
    Being an open-source project, official support can be limited, relying mainly on community forums and user contributions for troubleshooting.
  • Outdated Graphics
    While the platform offers realistic 3D views, some aspects of its graphics and user interface may appear outdated compared to newer commercial alternatives.
  • Lack of Real-Time Updates
    The software does not always feature real-time updates for certain celestial events, limiting its use for live tracking.

Analysis

An editorial look at what each product does well and who it suits.

ChainMemory
Celestia

Overall verdict

  • I don't have verified information about ChainMemory (chainmemory.ai), so I can't confirm whether it's good or reliable. I don't want to fabricate details about a product I have no factual basis for—please verify through official sources, user reviews, and independent research before drawing conclusions.

Why this product is good

  • I lack verified data on this specific product's features, performance, or user feedback
  • No independent reviews or benchmarks are available to me for this service
  • I cannot confirm the legitimacy, pricing, or claims made by chainmemory.ai
  • Making up details would be misleading rather than helpful

Recommended for

  • Anyone considering this product should first check the official website for documentation and pricing
  • Look for third-party reviews, community discussions, or case studies before committing
  • Consider reaching out to the company directly for demos, references, or trial access
  • Consult recent tech news or comparison articles if this is a newer or niche tool

Overall verdict

  • Celestia is considered a promising solution due to its novel architecture and focus on scalability. It is viewed positively within the blockchain community, especially for those seeking alternatives to traditional monolithic blockchain structures.

Why this product is good

  • Celestia (celestiaproject.space) is a modular blockchain network designed to address scalability, security, and decentralization challenges. It achieves scalability by separating consensus and data availability layers, enabling more efficient processing of transactions. The project is praised for its innovative approach to handling blockchain data, which can result in improved performance and lower costs for developers building decentralized applications.

Recommended for

  • Developers building decentralized applications who need scalable solutions
  • Projects looking for a blockchain with improved data availability and security
  • Blockchain enthusiasts interested in modular network architectures
  • Organizations seeking to separate consensus and execution layers for efficiency

Videos

Walkthroughs and reviews on video.

ChainMemory 0 videos + Add
Celestia 3 videos + Add

No ChainMemory videos yet. You could help us improve this page by suggesting one.

Celestia Review - with Tom Vasel

More videos

  • - Celestia - Shut Up & Sit Down Review
  • - Celestia Review with the Game Boy Geek

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
ChainMemory
Celestia
100% 100%
AI
0% 0%
0% 0%
Universe Simulator
100% 100%
100% 100%
Developer Tools
0% 0%
0% 0%
Space Simulator
100% 100%

User comments

Share your experience with using ChainMemory and Celestia. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

ChainMemory 0 mentions
Celestia 31 mentions

Tracking ChainMemory since Jul 2026.

  • Dwarf planet candidate appears which takes roughly 280 years to orbit our sun
    The 1st image in that article looks like Celestia. It would be nice to have an add-on for Celestia once enough details are known about 2026 ED138. https://celestiaproject.space/. - Source: Hacker News / 3 days ago
  • Show HN: The whole Solar System and every tracked satellite, live in the browser
    Celestia did all of this and more. 10+ years ago. https://celestiaproject.space/. - Source: Hacker News / about 2 months ago
  • Show HN: The Atlas of Space
    Incredible work! My son really had a blast scrolling around and exploring last night. Did you take any inspiration from Celestia (https://celestiaproject.space)? It's been over 15 years since I last really used it (and starts with... - Source: Hacker News / almost 2 years ago

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