FundSim

What it does

The free finance simulator used by students breaking into PE, VC, and IB. Run interactive LBO models, DCF valuations, M&A accretion/dilution, PE waterfall distributions, and VC cap tables — no Excel, no signup, no cost.

• IM
  I made a simulator for personal finance2021 · projectifi.io · ▲479
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  DeepLBO — Professional LBO AnalysisApr 2026 · deeplbo.vercel.app · ▲2

  Free LBO, DCF & M&A platform for PE and IB analysts

• 
  0-to-1 IB Interview Playbook (2026)May 2026 · amazon.com · ▲2

  Crack IB interviews: DCF, LBO, M&A, technicals

• FV
  Free virtual (yet realistic) trading simulator2022 · apps.apple.com · ▲13
• IB
  I built a trading simulation game – free, no sign up2025 · dare2trade.com · ▲5

  Practice trading with real historical market data by setting entry, stop-loss, and take-profit levels. The goal is to help traders practice without taking any financial risk. It's completely free, and no sign up is required to jump right in. I'd love for you to try it out: https://dare2trade.com/ It's best experienced on desktop devices for now.

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  B2BBorrowJul 2026 · b2bborrow.xyz · ▲3

  Free financial simulator comparing Commercial Loans

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  PaymentKit▲466

  Billing that survives a processor shutdown

  Commerce · 13d ago · paymentkit.com

• 
  Equitybee Benchmark▲241

  Compare your startup equity grant for free.

  Commerce · 26d ago · equitybee.com

• 
  Brew ▲905

  Like Claude design for email marketing

  AI · May 2026 · brew.new

• 
  Kilo Code for VS Code▲897

  Parallel agents, diff reviewer, and multi-model comparisons

  Dev tools · May 2026 · kilo.ai

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  StoreClaw▲805

  Grow your store profits with agents that know how to sell

  AI · May 2026 · storeclaw.ai

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  PollyReach▲796

  Give your agent a real number and voice to make calls.

  AI · May 2026 · pollyreach.ai

• NW
  Needle: We Distilled Gemini Tool Calling into a 26M Model▲776

  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

• FM
  Files.md – Open-source alternative to Obsidian▲730

  Dev tools · May 2026 · github.com