Nicheloom

The opportunity tracker for new startups.

Sources

persistent memory for AI agents

Recent window: last 5.3 months (2026-04-28 → 2026-10-06), compared with the prior 5.3 months.

horizontal · 199 members · Data as of 2026-10-09

These products provide long-term, searchable memory layers and context persistence for autonomous agents and coding assistants. They are primarily used by AI engineers and software developers seeking to maintain state and knowledge across interactions. Unlike general-purpose vector databases, this cluster specifically focuses on turnkey memory architectures and context management tailored for agentic workflows.

Metrics

Stage
forming
Recent count
120
Prior count
70
Total count
199
Momentum
71.43
Attention
0.54
Crowding
0.60
Concentration
0.84
Opportunity
0.38

Opportunity components

Attention
0.54
Low crowding
0.40
Momentum (normalized)
0.43
Low concentration
0.16

Source split

github
7 (0.06)
hn
45 (0.38)
ph
67 (0.56)
yc
1 (0.01)

Dominant source: ph · Divergence: 0.55

Similar niches

Monthly trajectory

Members

Name Source Upvotes ▼ Launched
Memmy Agent PH 523 2026-07-30
Hemory PH 373 2026-09-26
LocalGPT HN 331 2026-02-08
Agentmemory PH 322 2026-05-16
Second Brain for AI PH 284 2026-05-31
Memdex PH 275 2026-05-23
A Karpathy-style LLM wiki your agents maintain (Markdown and Git) HN 260 2026-04-25
Recall 2.0 PH 244 2026-04-14
Wyzer Programming Language HN 227 2026-08-07
Atlaso PH 216 2026-08-04
PMB PH 211 2026-06-29
Stop Claude Code from forgetting everything HN 202 2025-12-29
Cognition's SWE-2 PH 189 2026-09-13
Greplica PH 186 2026-07-30
ContextPool PH 179 2026-04-13
Spectron PH 172 2026-06-03
Memori PH 168 2026-05-28
Polygraph PH 160 2026-06-25
pumaDB PH 159 2026-06-20
Memoria PH 157 2026-08-25
Marimo pair HN 140 2026-04-07
Maximem Synap PH 134 2026-09-24
Statewright HN 126 2026-05-12
Bracket PH 104 2026-10-01
AI memory with biological decay (52% recall) HN 98 2026-04-26
Context Gateway HN 97 2026-03-13
Autoresearch@home HN 79 2026-03-11
Eggshell PH 75 2026-09-18
ResumeContext PH 71 2026-09-22
Contextberg PH 70 2026-09-22
Total Recall HN 67 2026-02-05
ctx HN 65 2026-07-02
GibRAM an in-memory ephemeral GraphRAG runtime for retrieval HN 60 2026-01-18
RePlaya HN 50 2026-06-02
Breadcrumb, record everything on your mac + context manager for AI HN 49 2026-10-01
A memory database that forgets, consolidates, and detects contradiction HN 48 2026-04-14
Durable Actors HN 48 2026-10-06
Hc: an agentless, multi-tenant shell history sink HN 43 2026-01-16
pheromone-network GITHUB 39 2026-10-04
A lightweight, stateless database for agent memory HN 36 2026-08-26
agent-stack-notes GITHUB 36 2026-09-16
Linggen HN 36 2025-12-19
Continual Learning with .md HN 34 2026-04-13
Oodle.ai HN 31 2026-07-14
Watch 14-Byte AI "brains" attempt to solve a 2D maze (Its hard) HN 25 2026-07-27
Grov HN 24 2026-01-21
aldus-palace GITHUB 24 2026-09-18
Inverting Agent Model (App as Clients, Chat as Server and Reflection) HN 24 2026-02-03
Ratel, give agents unlimited tools and skills without context bloat HN 23 2026-07-16
hermes-memory-wiki GITHUB 23 2026-09-15